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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Select correct statement about the dipole moments as well as bond angles in ${NCl}_{3}$ and ${PCl}_{3}$ .

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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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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 ?

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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

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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

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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

Select correct statement about the dipole moments as well as bond angles in NCl3 and PCl3.

Important Questions on Chemical Bonding and Molecular Structure

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Select correct statement about the dipole moments as well as bond angles in ${NCl}_{3}$ and ${PCl}_{3}$ .