Question 1: Palette 1/15

BITSAT 2025 MCQ

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

A

$\mathrm{XeF}_2$

B

$\mathrm{SO}_2$

C

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

D

$\mathrm{CH}_4$

Question 2: Palette 2/15

BITSAT 2024 MCQ

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} $

Question 3: Palette 3/15

BITSAT 2024 MCQ

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} $

Question 4: Palette 4/15

BITSAT 2023 MCQ

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

Question 5: Palette 5/15

BITSAT 2023 MCQ

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

Question 6: Palette 6/15

BITSAT 2022 MCQ

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

Question 7: Palette 7/15

BITSAT 2022 MCQ

The structure of H₂O₂ is

A

planar, linear

B

non-planar, linear

C

planar, non-linear

D

non-planar, non-linear

Question 8: Palette 8/15

BITSAT 2022 MCQ

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

Question 9: Palette 9/15

BITSAT 2022 MCQ

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

Question 10: Palette 10/15

BITSAT 2021 MCQ

The most volatile compound among the given option is

A

o-nitrophenol

B

p-nitrophenol

C

m-nitrophenol

D

can't say

Question 11: Palette 11/15

BITSAT 2021 MCQ

The structure of CIF₃ is

A

T-shape

B

bent shape

C

linear

D

trigonal planar

Question 12: Palette 12/15

BITSAT 2021 MCQ

Which of the following is diamagnetic in nature?

A

O₂

B

O$_2^{2 - }$

C

N$_2^{2 + }$

D

B₂

Question 13: Palette 13/15

BITSAT 2021 MCQ

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

Question 14: Palette 14/15

BITSAT 2020 MCQ

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

Question 15: Palette 15/15

BITSAT 2020 MCQ

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