Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment Set-2>Q 3

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The ratio of $σ$ -bond and $π$ -bond in tetracyanoethylene, $C_{2} (CN)_{4}$ is

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Important Questions on Chemical Bonding and Molecular Structure

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment Set-2>Q 4

Covalency of chlorine atom after the excitation of two electrons will be

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment Set-2>Q 5

Number of

120 °

bond angles present in

{BF}_{3}

is

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment Set-2>Q 6

In

{PO}_{4}^{3 -}

ion, the average charge on the oxygen atoms is

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment Set-2>Q 7

Bond order of

S - O

bond in

{SO}_{4}^{2 -}

is

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment Set-2>Q 8

In

{NO}_{3} -

ion, the number of bond pairs and lone pair of electrons on nitrogen atom are:

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment Set-2>Q 9

In which of the following molecules all the bonds are not equal?

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment Set-2>Q 10

Correct Lewis representation of

O_{3}

molecule is

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment Set-2>Q 11

Antibonding

π^{*} 2 p_{x}

molecular orbital is represented by