Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment>Q 15

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Number of carbon atoms present in ${sp}^{2}$ hybrid state of given 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 16

In a regular trigonal bipyramidal

{MX}_{5}

, the number of

X - M - X

bonds at

180 °

is

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment>Q 17

Some of the properties of the two species

{NO}_{3}^{-}

and

H_{3} O^{+}

are described below. Which one of them is correct?

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment>Q 18

Which of the following is not a correct statement?

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Gamma Question Bank for Medical Chemistry>Chapter 4 - Chemical Bonding and Molecular Structure>Assignment>Q 19

Arrange the following species in increasing order of bond angle

{NF}_{3}, {NCl}_{3}, {NBr}_{3}, {NI}_{3}

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

Which of the following is correct representation of dipole moment of

{NH}_{3}

molecule?

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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: