Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment>Q 20

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Which of the following is correct representation of dipole moment of ${NH}_{3}$ molecule?

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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>Q 21

The ground state electronic configuration of valence shell electrons in nitrogen molecule

(N_{2})

is written
as

kk, σ 2 s^{2}, σ^{*} 2 s^{2}, [\begin{array}{l} π 2 p_{y}^{2} \\ π 2 p_{z}^{2} \end{array}], σ 2 p_{x}^{2}

. Hence the bond order in nitrogen molecule is

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment>Q 22

Which of the following statements are correct?
I. Bond order of

NO

is

2.5

II. Bond order of

{NO}^{+}

is

3.0

III. Bond order of

O_{2}

is

1.5

IV. Bond order of

CO

is

3.0

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment>Q 23

The no. of anti-bonding electron pairs in

O_{2}^{-}

is:

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment>Q 25

How many bonds are formed by each oxygen atom in ice?

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment>Q 26

Which of the following pair consists of only paramagnetic species?