Chemistry Crash Course JEE Main>Chapter 5 - Chemical Bonding and Molecular Structure>Level 2>Q 22

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JEE Main

IMPORTANT

Earn 100

Select the correct option by assigning true (T) and false (F) for the following statements.

(a) In ${IF}_{7}$ , iodine is in the super octet state.

(b) ${BF}_{3}$ is a hypervalent compound.

(c) $π -$ bond is cylindrically symmetrical.

41.67% studentsanswered this correctly

Important Questions on Chemical Bonding and Molecular Structure

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JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 5 - Chemical Bonding and Molecular Structure>Level 2>Q 23

In

{XeOF}_{4}

, let

x

be the total number of bond pairs around

Xe

,

y

be the total number of lone pairs on all atoms and

z

be the total number of

90^{°} OXeF

angles, then,

x + y + z

is:

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JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 5 - Chemical Bonding and Molecular Structure>Level 2>Q 24

Which of the following has the maximum

C - H

bond distance?

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JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 5 - Chemical Bonding and Molecular Structure>Level 2>Q 25

In the structure of ${ClF}_{3}$ , the number of significant repulsions is

(If $lp - lp = x, lp - bp = y, bp - bp = z,$ then $x + y + z = ?$ ):

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JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 5 - Chemical Bonding and Molecular Structure>Level 2>Q 26

A molecule

{AB}_{4}

is isostructural with non-polar

{CH}_{4}

. The bond moment of

A - B

is

1.2 D

and bond length is

1 \overset{\circ}{A}

. The charge developed on the central atom of

{AB}_{4}

(neglecting any orbital dipoles), is:

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 5 - Chemical Bonding and Molecular Structure>Level 2>Q 27

Assuming the Hund's rule violated, the bond order and magnetic nature of the diatomic molecule of

B_{2}

is:

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JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 5 - Chemical Bonding and Molecular Structure>Level 2>Q 28

Which of the three molecules,

H_{2} O, {SF}_{6}

and

{NH}_{3}

, has the minimum ratio of

\frac{x}{y}

(where,

x

is the magnitude of a bond angle and

y

is the number of lone pairs of electrons in the molecule)?

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JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 5 - Chemical Bonding and Molecular Structure>Level 2>Q 29

Which of the following statements is false?

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JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 5 - Chemical Bonding and Molecular Structure>Level 2>Q 30

Which of the following is not isostructural with

{SiCl}_{4}

?