Sale!

Organic Chemistry 6th Edition Brown Foote Iverson Anslyn Test Bank

$80.00 $12.99

Organic Chemistry 6th Edition Brown Foote Iverson Anslyn Test Bank

ISBN-13: 978-0840054982

ISBN-10: 084005498X

 

 

Description

Organic Chemistry 6th Edition Brown Foote Iverson Anslyn Test Bank

ISBN-13: 978-0840054982

ISBN-10: 084005498X

 

 

 

 

Be the best nurse you can be:

Nursing test banks are legit and very helpful. This test bank on this page can be downloaded immediately after you checkout today.

Here is the definition of nursing

Its true that you will receive the entire legit test bank for this book and it can happen today regardless if its day or night. We have made the process automatic for you so that you don’t have to wait.

We encourage you to purchase from only a trustworthy provider:

Our site is one of the most confidential websites on the internet. We maintain no logs and guarantee it. Our website is also encrypted with an SSL on the entire website which will show on your browser with a lock symbol. This means not a single person can view any information.

Have any comments or suggestions?

When you get your file today you will be able to open it on your device and start studying for your class right now.

So this is a digital download that is automatically given to you after you checkout today.

Free Nursing Test Questions:

CHAPTER 5–ALKENES: BONDING, NOMENCLATURE, AND PROPERTIES

Student: ___________________________________________________________________________

  1. What is the approximate value of the C-C-C bond angle in propene?
    A. 90°
    B. 109°
    C. 120°
    D. 180°

 

  1. What is the approximate value of the H-C-H bonds angle in ethene?
    A. 90°
    B. 109°
    C. 120°
    D. 180°

 

  1. What is the approximate value of the length of the carbon-carbon bond in ethene?
    A. 121 pm
    B. 134 pm
    C. 142 pm
    D. 154 pm

 

  1. What type of molecular orbital is formed by the overlap of atomic orbitals shown?

    A. s bonding
    B. s antibonding
    C. p bonding
    D. p antibonding

 

  1. What type of molecular orbital is formed by the overlap of atomic orbitals shown?

    A. s bonding
    B. s antibonding
    C. p bonding
    D. p antibonding

 

  1. What type of molecular orbital is formed by the overlap of atomic orbitals shown?

    A. s bonding
    B. s antibonding
    C. p bonding
    D. p antibonding

 

  1. What is the hybridization of carbon atoms labeled i iii in the following structure?

    A. i = sp; ii = sp; iii = sp
    B. i = sp2; ii = p; iii = sp2
    C. i = sp2; ii = sp; iii = sp2
    D. i = sp2; ii = sp2; iii = sp2

 

  1. What is the hybridization of carbon atoms labeled iiii in the following structure?

    A. i = sp2; ii = sp2; iii = sp2
    B. i = sp; ii = sp; iii = sp3
    C. i = sp2; ii = sp; iii = sp3
    D. i = sp2; ii = sp2; iii = sp3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C5H10?
    A. 0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C6H8?
    A. 0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C5H9Br?
    A. 0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C6H7Cl?
    A. 0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C6H15N?
    A. 0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C6H12N2?
    A. 0
    B. 1
    C. 2
    D. 3

 

  1. Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 2?
    A. C5H8O2
    B. C5H10O
    C. C6H15N
    D. C5H10Br2

 

  1. Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 1?
    A. C5H8N2
    B. C5H11N
    C. C6H11N
    D. C5H13NO2

 

  1. Which of the following compounds has a hydrogen deficiency of 3?

    A. only 1
    B. only 2
    C. only 3 and 4
    D. only 1,3 and 4

 

  1. Which of the following compounds does not have a hydrogen deficiency of 5?

    A. 1
    B. 2
    C. 3
    D. 4

 

  1. Which of the following does not correspond to a molecular formula of a neutral compound?
    A. C5H5Br
    B. C5H7Cl2
    C. C5H5Br3
    D. C5H8Cl4

 

  1. Which of the following does not correspond to a molecular formula of a neutral compound?
    A. C6H9NO2
    B. C5H7N2O2
    C. C8H12O3
    D. C7H7N

 

  1. Which of the following does not correspond to a molecular formula of a neutral compound?
    A. C4H8BrNO
    B. C5H9ClN2O
    C. C7H14BrO3
    D. C8H14ClN

 

  1. What is the IUPAC name of the following compound?

    A. 2-methylenepentane
    B. 2-methyl-1-pentene
    C. 2-vinylpentane
    D. 2-propyl-1-propene

 

  1. What is the IUPAC name of the following compound?

    A. 1,3-dimethylhexene
    B. 2,4-dimethyl-2-hexene
    C. 2,4-dimethyl-1-hexene
    D. 3,5-dimethyl-4-hexene

 

  1. Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?
    A. -CH(CH3)2
    B. -CH2OCH3
    C. -CH2CH3
    D. -CH2Br

 

  1. Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?
    A. -COOH
    B. -Cl
    C. -CH2OH
    D. -CH3

 

  1. What is the IUPAC name of the following compound?

    A. (E)-3-methyl-4-hexene
    B. (Z)-3-methyl-4-hexene
    C. (E)-4-methyl-2-hexene
    D. (Z)-4-methyl-2-hexene

 

  1. What is the IUPAC name of the following compound?

    A. (E)-3-methyl-3-pentene
    B. (Z)-3-methyl-3-pentene
    C. (E)-3-methyl-2-pentene
    D. (Z)-3-methyl-2-pentene

 

  1. What is the IUPAC name of the following compound?

    A. 2-methyl-4-vinyl-2-pentene
    B. 3,5-dimethyl-1,4-hexadiene
    C. 2,4-dimethyl-3,5-hexadiene
    D. 1,1,3-trimethyl-1,4-pentadiene

 

  1. What is the IUPAC name of the following compound?

    A. (Z)-3-ethyl-5-methyl-1,4-heptadiene
    B. (E)-3-ethyl-5-methyl-1,4-heptadiene
    C. (E)-3-methyl-5-vinyl-3-heptene
    D. (Z)-1,3-diethyl-1-methyl-1,4-pentadiene

 

  1. What is the IUPAC name of the following compound?

    A. 1,2-dimethylcyclohexene
    B. 2,3-dimethyl-1-cyclohexene
    C. 1,2-dimethyl-2-cyclohexene
    D. 1,6-dimethylcyclohexene

 

  1. What is the IUPAC name of the following compound?

    A. 1,3-dimethylcyclopentene
    B. 1,4-dimethylcyclopentene
    C. 2,4-dimethylcyclopentene
    D. 1,3-dimethyl-5-cyclopentene

 

  1. What is the name of the following compound?

    A. cis-4-methyl-1-allylcyclohexane
    B. cis-4-allyl-1-methylcyclohexane
    C. trans-4-allyl-1-methylcyclohexane
    D. cis-4-methyl-1-vinylcyclohexane

 

  1. What is the name of the following compound?

    A. vinylcyclohexane
    B. allylcyclohexane
    C. methylenecyclohexane
    D. propargylcyclohexane

 

  1. What is the IUPAC name of the following compound?

    A. bicyclo[6.2]oct-2-ene
    B. bicyclo[4.4.4]oct-2-ene
    C. bicyclo[2.2.2]-2-octene
    D. bicyclo[2.2]-2-octene

 

  1. What is the IUPAC name of the following compound?

    A. bicyclo[5.4.3]-2-octene
    B. bicyclo[5.4.3]-3-octene
    C. bicyclo[3.2.1]-2-octene
    D. 2,6-methyleno-1-cyclooctene

 

  1. Which is the correct assignment of the names of the following compounds?

    A. 1 = ethylene; 2 = isobutylene; 3 = isoprene
    B. 1 = acetylene; 2 = isoprene; 3 = isobutylene
    C. 1 = ethylene; 2 = isoprene; 3 = isobutylene
    D. 1 = acetylene; 2 = isobutylene; 3 = isoprene

 

  1. Which is the correct assignment of the names of the following groups?

    A. 1 = methylene; 2 = vinyl; 3 = phenyl
    B. 1 = vinyl; 2 = propargyl; 3 = benzyl
    C. 1 = allyl; 2 = vinyl; 3 = benzyl
    D. 1 = vinyl; 2 = allyl; 3 = phenyl

 

  1. Which is the correct assignment of the names of the following groups?

    A. 1 = vinyl; 2 = benzyl; 3 = allyl
    B. 1 = allyl; 2 = phenyl; 3 = vinyl
    C. 1 = methylene; 2 = phenyl; 3 = vinyl
    D. 1 = methylene; 2 = benzyl; 3 = allyl

 

  1. How many alkenes have the formula C5H10?
    A. 4
    B. 5
    C. 6
    D. 7

 

  1. How many constitutional isomeric alkenes are there with the formula C6H12?
    A. 9
    B. 11
    C. 12
    D. 13

 

  1. How many isomers of 1,6-heptadiene exist?
    A. 1
    B. 2
    C. 3
    D. 4

 

  1. How many isomers of 1,3-heptadiene exist?
    A. 1
    B. 2
    C. 3
    D. 4

 

  1. How many isomers of 2,4-heptadiene exist?
    A. 1
    B. 2
    C. 3
    D. 4

 

  1. How many isomers of 1,3,5-heptatriene exist?
    A. 1
    B. 2
    C. 4
    D. 8

 

  1. What is the smallest trans cycloalkene that is stable at room temperature?
    A. (E) cyclohexene
    B. (E) cycloheptene
    C. (E) cyclooctene
    D. (E) cyclodecene

 

  1. What types of units make up terpenes?
    A. isoprene
    B. propene
    C. vitamin A
    D. pentadiene

 

  1. Which of the following is a terpene?

    A. 1
    B. 2
    C. 3
    D. 4

 

  1. Which of the following is not a terpene?

    A. 1
    B. 2
    C. 3
    D. 4

 

  1. Which of the following is not true regarding alkenes?
    A. alkenes are non polar
    B. alkenes burn in air to give H2O and CO2
    C. alkenes are highly miscible with water
    D. the strongest intermolecular force between alkene molecules is the van der Waals interaction

 

  1. Which of the following compounds is most reactive (least stable)?
    A. (Z)-cycloheptene
    B. (E)-cycloheptene
    C. (Z)-cyclooctene
    D. (E)-cyclooctene

 

  1. What is the value of the index of hydrogen deficiency of a molecule with the formula C8H12?

 

 

 

 

 

  1. What is the value of the index of hydrogen deficiency of a molecule with the formula C9H10?

 

 

 

 

 

  1. What is the value of the index of hydrogen deficiency of a molecule with the formula C7H15N?

 

 

 

 

 

  1. What is the value of the index of hydrogen deficiency of a molecule with the formula C8H19N?

 

 

 

 

 

  1. What is the value of the index of hydrogen deficiency of Ritalin, shown below?

 

 

 

 

 

  1. What is the value of the index of hydrogen deficiency of aspartame, shown below?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. What is the IUPAC name of the following compound?

 

 

 

 

 

  1. Provide the bond-line structure of (2E,5E)-2,5-octadiene.

 

 

 

 

 

  1. Provide the bond-line structure of (2Z,6E)-octa-2,6-diene.

 

 

 

 

 

  1. Provide the bond-line structure of (Z)-4,5-dichloro-2-pentene.

 

 

 

 

 

  1. Provide the bond-line structure of (E)-3-chloro-3-hexene.

 

 

 

 

 

 

 

CHAPTER 5–ALKENES: BONDING, NOMENCLATURE, AND PROPERTIES Key

  1. What is the approximate value of the C-C-C bond angle in propene?
    A.90°
    B. 109°
    C. 120°
    D. 180°

 

  1. What is the approximate value of the H-C-H bonds angle in ethene?
    A.90°
    B. 109°
    C. 120°
    D. 180°

 

  1. What is the approximate value of the length of the carbon-carbon bond in ethene?
    A.121 pm
    B. 134 pm
    C. 142 pm
    D. 154 pm

 

  1. What type of molecular orbital is formed by the overlap of atomic orbitals shown?

    A. s bonding
    B. s antibonding
    C. p bonding
    D. p antibonding

 

  1. What type of molecular orbital is formed by the overlap of atomic orbitals shown?

    A. s bonding
    B. s antibonding
    C. p bonding
    D. p antibonding

 

  1. What type of molecular orbital is formed by the overlap of atomic orbitals shown?

    A. s bonding
    B. s antibonding
    C. p bonding
    D. p antibonding

 

  1. What is the hybridization of carbon atoms labeled i iii in the following structure?

    A. i = sp; ii = sp; iii = sp
    B. i = sp2; ii = p; iii = sp2
    C. i = sp2; ii = sp; iii = sp2
    D. i = sp2; ii = sp2; iii = sp2

 

  1. What is the hybridization of carbon atoms labeled iiii in the following structure?

    A. i = sp2; ii = sp2; iii = sp2
    B. i = sp; ii = sp; iii = sp3
    C. i = sp2; ii = sp; iii = sp3
    D. i = sp2; ii = sp2; iii = sp3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C5H10?
    A.0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C6H8?
    A.0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C5H9Br?
    A.0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C6H7Cl?
    A.0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C6H15N?
    A.0
    B. 1
    C. 2
    D. 3

 

  1. What is the index of hydrogen deficiency of a compound with a molecular formula of C6H12N2?
    A.0
    B. 1
    C. 2
    D. 3

 

  1. Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 2?
    A.C5H8O2
    B. C5H10O
    C. C6H15N
    D. C5H10Br2

 

  1. Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 1?
    A.C5H8N2
    B. C5H11N
    C. C6H11N
    D. C5H13NO2

 

  1. Which of the following compounds has a hydrogen deficiency of 3?

    A. only 1
    B. only 2
    C. only 3 and 4
    D. only 1,3 and 4

 

  1. Which of the following compounds does not have a hydrogen deficiency of 5?

    A. 1
    B. 2
    C. 3
    D. 4

 

  1. Which of the following does not correspond to a molecular formula of a neutral compound?
    A.C5H5Br
    B. C5H7Cl2
    C. C5H5Br3
    D. C5H8Cl4

 

  1. Which of the following does not correspond to a molecular formula of a neutral compound?
    A.C6H9NO2
    B. C5H7N2O2
    C. C8H12O3
    D. C7H7N

 

  1. Which of the following does not correspond to a molecular formula of a neutral compound?
    A.C4H8BrNO
    B. C5H9ClN2O
    C. C7H14BrO3
    D. C8H14ClN

 

  1. What is the IUPAC name of the following compound?

    A. 2-methylenepentane
    B. 2-methyl-1-pentene
    C. 2-vinylpentane
    D. 2-propyl-1-propene

 

  1. What is the IUPAC name of the following compound?

    A. 1,3-dimethylhexene
    B. 2,4-dimethyl-2-hexene
    C. 2,4-dimethyl-1-hexene
    D. 3,5-dimethyl-4-hexene

 

  1. Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?
    A.-CH(CH3)2
    B. -CH2OCH3
    C. -CH2CH3
    D. -CH2Br

 

  1. Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?
    A.-COOH
    B. -Cl
    C. -CH2OH
    D. -CH3

 

  1. What is the IUPAC name of the following compound?

    A. (E)-3-methyl-4-hexene
    B. (Z)-3-methyl-4-hexene
    C. (E)-4-methyl-2-hexene
    D. (Z)-4-methyl-2-hexene

 

  1. What is the IUPAC name of the following compound?

    A. (E)-3-methyl-3-pentene
    B. (Z)-3-methyl-3-pentene
    C. (E)-3-methyl-2-pentene
    D. (Z)-3-methyl-2-pentene

 

  1. What is the IUPAC name of the following compound?

    A. 2-methyl-4-vinyl-2-pentene
    B. 3,5-dimethyl-1,4-hexadiene
    C. 2,4-dimethyl-3,5-hexadiene
    D. 1,1,3-trimethyl-1,4-pentadiene

 

  1. What is the IUPAC name of the following compound?

    A. (Z)-3-ethyl-5-methyl-1,4-heptadiene
    B. (E)-3-ethyl-5-methyl-1,4-heptadiene
    C. (E)-3-methyl-5-vinyl-3-heptene
    D. (Z)-1,3-diethyl-1-methyl-1,4-pentadiene

 

  1. What is the IUPAC name of the following compound?

    A. 1,2-dimethylcyclohexene
    B. 2,3-dimethyl-1-cyclohexene
    C. 1,2-dimethyl-2-cyclohexene
    D. 1,6-dimethylcyclohexene

 

  1. What is the IUPAC name of the following compound?

    A. 1,3-dimethylcyclopentene
    B. 1,4-dimethylcyclopentene
    C. 2,4-dimethylcyclopentene
    D. 1,3-dimethyl-5-cyclopentene

 

  1. What is the name of the following compound?

    A. cis-4-methyl-1-allylcyclohexane
    B. cis-4-allyl-1-methylcyclohexane
    C. trans-4-allyl-1-methylcyclohexane
    D. cis-4-methyl-1-vinylcyclohexane

 

  1. What is the name of the following compound?

    A. vinylcyclohexane
    B. allylcyclohexane
    C. methylenecyclohexane
    D. propargylcyclohexane

 

  1. What is the IUPAC name of the following compound?

    A. bicyclo[6.2]oct-2-ene
    B. bicyclo[4.4.4]oct-2-ene
    C. bicyclo[2.2.2]-2-octene
    D. bicyclo[2.2]-2-octene

 

  1. What is the IUPAC name of the following compound?

    A. bicyclo[5.4.3]-2-octene
    B. bicyclo[5.4.3]-3-octene
    C. bicyclo[3.2.1]-2-octene
    D. 2,6-methyleno-1-cyclooctene

 

  1. Which is the correct assignment of the names of the following compounds?

    A. 1 = ethylene; 2 = isobutylene; 3 = isoprene
    B. 1 = acetylene; 2 = isoprene; 3 = isobutylene
    C. 1 = ethylene; 2 = isoprene; 3 = isobutylene
    D. 1 = acetylene; 2 = isobutylene; 3 = isoprene

 

  1. Which is the correct assignment of the names of the following groups?

    A. 1 = methylene; 2 = vinyl; 3 = phenyl
    B. 1 = vinyl; 2 = propargyl; 3 = benzyl
    C. 1 = allyl; 2 = vinyl; 3 = benzyl
    D. 1 = vinyl; 2 = allyl; 3 = phenyl

 

  1. Which is the correct assignment of the names of the following groups?

    A. 1 = vinyl; 2 = benzyl; 3 = allyl
    B. 1 = allyl; 2 = phenyl; 3 = vinyl
    C. 1 = methylene; 2 = phenyl; 3 = vinyl
    D. 1 = methylene; 2 = benzyl; 3 = allyl

 

  1. How many alkenes have the formula C5H10?
    A.4
    B. 5
    C. 6
    D. 7

 

  1. How many constitutional isomeric alkenes are there with the formula C6H12?
    A.9
    B. 11
    C. 12
    D. 13

 

  1. How many isomers of 1,6-heptadiene exist?
    A.1
    B. 2
    C. 3
    D. 4

 

  1. How many isomers of 1,3-heptadiene exist?
    A.1
    B. 2
    C. 3
    D. 4

 

  1. How many isomers of 2,4-heptadiene exist?
    A.1
    B. 2
    C. 3
    D. 4

 

  1. How many isomers of 1,3,5-heptatriene exist?
    A.1
    B. 2
    C. 4
    D. 8

 

  1. What is the smallest trans cycloalkene that is stable at room temperature?
    A.(E) cyclohexene
    B. (E) cycloheptene
    C. (E) cyclooctene
    D. (E) cyclodecene

 

  1. What types of units make up terpenes?
    A.isoprene
    B. propene
    C. vitamin A
    D. pentadiene

 

  1. Which of the following is a terpene?

    A. 1
    B. 2
    C. 3
    D. 4

 

  1. Which of the following is not a terpene?

    A. 1
    B. 2
    C. 3
    D. 4

 

  1. Which of the following is not true regarding alkenes?
    A.alkenes are non polar
    B. alkenes burn in air to give H2O and CO2
    C. alkenes are highly miscible with water
    D. the strongest intermolecular force between alkene molecules is the van der Waals interaction

 

  1. Which of the following compounds is most reactive (least stable)?
    A.(Z)-cycloheptene
    B. (E)-cycloheptene
    C. (Z)-cyclooctene
    D. (E)-cyclooctene

 

  1. What is the value of the index of hydrogen deficiency of a molecule with the formula C8H12?

three

 

  1. What is the value of the index of hydrogen deficiency of a molecule with the formula C9H10?

five

 

  1. What is the value of the index of hydrogen deficiency of a molecule with the formula C7H15N?

one

 

  1. What is the value of the index of hydrogen deficiency of a molecule with the formula C8H19N?

zero

 

  1. What is the value of the index of hydrogen deficiency of Ritalin, shown below?

six

 

  1. What is the value of the index of hydrogen deficiency of aspartame, shown below?

seven

 

  1. What is the IUPAC name of the following compound?

(E)-3-methyl-2-hexene

 

  1. What is the IUPAC name of the following compound?

(Z)-5-methyl-2-hexene

 

  1. What is the IUPAC name of the following compound?

(Z)-3-chloro-4-methyl-2-pentene

 

  1. What is the IUPAC name of the following compound?

(E)-4-chloro-3-methyl-2-pentene

 

  1. What is the IUPAC name of the following compound?

1,6-dimethylcyclohexene

 

  1. What is the IUPAC name of the following compound?

1,4-dimethylcyclohexene

 

  1. What is the IUPAC name of the following compound?

3,4-dimethylcyclopentene

 

  1. What is the IUPAC name of the following compound?

3,5-dimethylcyclopentene

 

  1. What is the IUPAC name of the following compound?

(2Z,5Z)-2,5-octadiene

 

  1. What is the IUPAC name of the following compound?

(2E,4Z)-2,4-octadiene

 

  1. Provide the bond-line structure of (2E,5E)-2,5-octadiene.

 

  1. Provide the bond-line structure of (2Z,6E)-octa-2,6-diene.

 

  1. Provide the bond-line structure of (Z)-4,5-dichloro-2-pentene.

 

  1. Provide the bond-line structure of (E)-3-chloro-3-hexene.

 

 

Reviews

There are no reviews yet.

Be the first to review “Organic Chemistry 6th Edition Brown Foote Iverson Anslyn Test Bank”

Your email address will not be published. Required fields are marked *