Beta Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>EXERCISE-1>Q 8

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How many bonded electron pairs are present in ${IF}_{7}$ molecule?

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Important Questions on Chemical Bonding and Molecular Structure

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Beta Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>EXERCISE-1>Q 9

When

2 s - 2 s, 2 p - 2 p

and

2 p - 2 s

orbitals overlap, the bond strength decreases in the order :-

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Beta Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>EXERCISE-1>Q 10

The volatility of

HF

is low as compare to other Hydra acid of Halogen because of :-

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Beta Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>EXERCISE-1>Q 11

The shapes of

{PCl}_{4}^{\oplus}, {PCl}_{4}^{⊝}

and

{AsCl}_{5}

are respectively

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Beta Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>EXERCISE-1>Q 12

The experimental value of the dipole moment of $HCl$ is $1.03 D$ . The length of the $H - Cl$ bond is $1.275 Å$ . The percentage ionic character in $HCl$ is:

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Beta Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>EXERCISE-1>Q 13

The shapes of

{IF}_{5}

and

{IF}_{7}

are respectively :-

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Beta Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>EXERCISE-1>Q 14

Amongst

LiCl, RbCl, {BeCl}_{2} and {MgCl}_{2}

, the compounds with the greatest and the least ionic character, respectively, are.

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Beta Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>EXERCISE-1>Q 15

{PCl}_{5}

exists but

{NCl}_{5}

does not, because:

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Beta Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>EXERCISE-1>Q 16

In

{ICl}_{4}^{-},

the shape is square planar. The number of bond pair-lone pair repulsion at

90 °

are :-