The bond lengths (in pm ) of C - C , C ≡ C and C = C are:

C - C C ≡ C C = C 154 120 133

C - C C ≡ C C = C 120 154 133

C - C C ≡ C C = C 154 120 139

C - C C ≡ C C = C 140 133 139

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Which of the following represents the correct order of $Cl - O$ bond lengths in ${ClO}^{-}, {ClO}_{2}^{-}, {ClO}_{3}^{-}$ and ${ClO}_{4}^{-}$ ?

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Important Questions on Chemical Bonding and Molecular Structure

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

How many ions of the following have a bond order of $2.5 ?$

$N_{2}^{-}; {NO}^{-}; C_{2}^{-}; N_{2}^{+}; C_{2}^{2 -}; {CN}^{+}$

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

The intermolecular potential energy for the molecules

A

B

C

and

D

given below suggests that:
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MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Average bond enthalpy of water is

464 \cdot 5 kJ {mol}^{- 1}

. If the energy required to break first

O - H

bond is

502 kJ {mol}^{- 1}

, how much energy per mol is required to break second

O - H

bond ?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

In which of the following the

C - H

bond distance is the longest?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

The number of bonds between sulphur and oxygen atoms in

S_{2} O_{8}^{2 -}

and the number of bonds between sulphur and sulphur atoms in rhombic sulphur, respectively are:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

The bond lengths (in $pm)$ of $C - C, C \equiv C$ and $C = C$ are:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

The compound that has the largest

H - M - H

bond angle

(M = N, O, S, C)

, is :

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following molecules has shortest

C - C

bond length?

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Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Maximum bond angle at nitrogen is present in which of the following?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

The number of

π

-bonds and

σ

-bonds present in naphthalene are respectively

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Among the following species, the

H - X - H

angle (

X = B, N

P

) follows the order.

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

If enthalpy of atomization for

B r_{2} (l)

x k J / m o l

and bond enthalpy for

B r_{2}

y k J / m o l

, the relation between them

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Pick the INCORRECT statement among those given below

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Bond lengths (in

pm

) of

C - H, C - C, C = C

and

C \equiv C

bonds, respectively are:

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Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

The correct order of bond dissociation enthalpy of halogens is:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

In gaseous triethyl amine the

" - C - N - C - "

bond angle is

____

degree.

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following compounds has highest

C - X

bond strength?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

The correct order of

C - O

bond length is:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Arrange the following compounds in increasing order of

C - O H

bond length: methanol, phenol,

p

-ethoxyphenol

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Among the following molecules, the one with the largest bond angle at the central atom is

Which of the following represents the correct order of Cl - O bond lengths in ClO - , ClO 2 - , ClO 3 - and ClO4-?

Important Questions on Chemical Bonding and Molecular Structure

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Which of the following represents the correct order of $Cl - O$ bond lengths in ${ClO}^{-}, {ClO}_{2}^{-}, {ClO}_{3}^{-}$ and ${ClO}_{4}^{-}$ ?