Chemical Bonding And Molecular Structure - Inorganic Chemistry - Chemistry Previous Year Questions

1

2020 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2020

Match the following columns:

	Column I (Compound)		Column II (Structure)
A.	$$CI{F_3}$$	1.	Square planar
B.	$$PC{I_5}$$	2.	Tetrahedral
C.	$$I{F_5}$$	3.	Trigonal bipyramidal
D.	$$CC{I_4}$$	4.	Square pyramidal
E.	$$Xe{F_4}$$	5.	T-shaped

A

A - 5, B - 4, C - 3, D - 2, E - 1

B

A - 5, B - 3, C - 4, D - 2, E - 1

C

A - 5, B - 3, C - 4, D - 1, E - 2

D

A - 4, B - 3, C - 5, D - 2, E - 1

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2

2020 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2020

The correct order of pseudohalide, polyhalide and interhalogen is

A

Brl\(_2^ -\), OCN^\(-\), IF₅

B

IF₅, Brl\(_2^ -\), OCN^\(-\)

C

OCN^\(-\), IF₂, Brl\(_2^ -\)

D

OCN^\(-\), Brl\(_2^ -\), IF₅

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3

2021 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2021

The most volatile compound among the given option is

A

o-nitrophenol

B

p-nitrophenol

C

m-nitrophenol

D

can't say

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4

2021 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2021

Which of the following is diamagnetic in nature?

A

O₂

B

O\(_2^{2 - }\)

C

N\(_2^{2 + }\)

D

B₂

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5

2021 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2021

The correct order of bond order in SO₂, SO₃, SO\(_4^{2 - }\), SO\(_3^{2 - }\) is

A

SO\(_3^{2 - }\) > SO\(_4^{2 - }\) > SO₃ = SO₂

B

SO\(_4^{2 - }\) > SO₃ > SO₂ > SO\(_3^{2 - }\)

C

SO₂ = SO₃ > SO\(_4^{2 - }\) > SO\(_3^{2 - }\)

D

Can't say

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6

2021 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2021

The structure of CIF₃ is

A

T-shape

B

bent shape

C

linear

D

trigonal planar

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7

2022 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2022

In the molecules CH₄, NF₃, NH\(_4^ +\) and H₂O

A

number of lone pairs are same

B

all have same hybridisation of centre of atom

C

the bond angles are same

D

number of bond pairs are same

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8

2022 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2022

In which pair or pairs is the stronger bond found in the first species?

I. O\(_2^{2 - }\), O₂; II. N₂, N\(_2^{+ }\); III. NO⁺, NO^\(-\)

A

I only

B

II only

C

I and II only

D

II and III only

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9

2022 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2022

The structure of H₂O₂ is

A

planar, linear

B

non-planar, linear

C

planar, non-linear

D

non-planar, non-linear

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10

2022 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2022

OF and F₂ can be compared in terms of

A

OF is paramagnetic while F₂ is diamagnetic

B

OF is more stable towards dissociation into atoms

C

Both (a) and (b) are correct

D

None of the above is correct

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11

2023 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2023

Which one of the following is/are linear structure?

I. \(\mathrm{I}_3^{-}\)

II. \(\mathrm{NO}_2^{-}\)

III. \(\mathrm{I}_3^{+}\)

IV. \(\mathrm{SO}_2\)

V. \(\mathrm{N}_3^{-}\)

A

I, II and III

B

I and V

C

II, III and IV

D

All of these

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12

2023 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2023

In \(\mathrm{BrF}_3\) molecule, the lone pairs occupy equatorial positions to minimise

A

lone pair-bond pair repulsion only

B

bond pair-bond pair repulsion only

C

lone pair-lone pair repulsion and lone pair-bond pair repulsion

D

lone pair-lone pair repulsion only

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13

2024 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2024

The hybridisation scheme for the central atom includes a $ d $-orbital contribution in

A

$I_{3}^{-} $

B

$\mathrm{PCl}_{3} $

C

$\mathrm{NO}_{3}^{-} $

D

$\mathrm{H}_{2} \mathrm{Se} $

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14

2024 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2024

The bond dissociation energy of $ X_{2}, Y_{2} $ and $ X Y $ are in the ratio of $ 1: 0.5: 1 . \Delta H $ for the formation of $ X Y $ is $ -200 \mathrm{~kJ} / \mathrm{mol} $. The bond dissociation energy of $ X_{2} $ will be

A

$200 \mathrm{~kJ} / \mathrm{mol} $

B

$100 \mathrm{~kJ} / \mathrm{mol} $

C

$400 \mathrm{~kJ} / \mathrm{mol} $

D

$800 \mathrm{~kJ} / \mathrm{mol} $

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15

2025 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure

BITSAT 2025

The central atom shows $d$-orbital participation in hybridisation in

A

$\mathrm{XeF}_2$

B

$\mathrm{SO}_2$

C

$\mathrm{NH}_4^{+}$

D

$\mathrm{CH}_4$

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