Question 1: Palette 1/9

BITSAT 2023 MCQ

Sulphur does not exist as $\mathrm{S}_2$ molecule because

A

it is not able to constitute $p \pi-p \pi$ bonds

B

it is less electronegative

C

it has ability to exhibit catenation

D

of tendency to show variable oxidation states

Question 2: Palette 2/9

BITSAT 2023 MCQ

Which of the following oxides is amphoteric in character?

A

$\mathrm{SnO}_2$

B

$\mathrm{SiO}_2$

C

$\mathrm{CO}_2$

D

$\mathrm{CaO}$

Question 3: Palette 3/9

BITSAT 2022 MCQ

Ge (II) compounds are powerful reducing agents whereas Pb (IV) compounds are strong oxidants. It can be because

A

Pb is more electropositive than Ge.

B

ionisation potential of lead is less than that of Ge.

C

ionic radii of Pb²⁺ and Pb⁴⁺ are larger than that of Ge²⁺ and Ge⁴⁺.

D

more pronounced inert pair effect in lead has.

Question 4: Palette 4/9

BITSAT 2022 MCQ

The number of 3C$-$2e^$-$ bonds present in diborane is

A

1

B

2

C

3

D

4

Question 5: Palette 5/9

BITSAT 2022 MCQ

The total number of P$-$OH bonds for pyrophosphoric acid

A

4

B

5

C

6

D

8

Question 6: Palette 6/9

BITSAT 2021 MCQ

Which of the following inert gas is used as cryogenic agnet?

A

He

B

Ne

C

Ar

D

Kr

Question 7: Palette 7/9

BITSAT 2021 MCQ

Which is not an anti-fluorite structure

A

Rb₂S

B

BaF₂

C

K₂O

D

Li₂O

Question 8: Palette 8/9

BITSAT 2020 MCQ

(B) is identified by the characteristic colour of the flame. (A) and (B) are respectively :

A

H₃BO₃ and Na₂B₄O₇

B

B(OC₂H₅)₃ and H₃BO₃

C

NaBO₂ and H₃BO₃

D

H₃BO₃ and B(OC₂H₅)₃

Question 9: Palette 9/9

BITSAT 2020 MCQ

An inorganic halide (A) reacts with water to form two acids (B) and (C). (A) also reacts with NaOH to form two salts (D) and (E) which remain in solution. The solution gives white precipitate with both AgNO₃ and BaCl₂ solutions respectively. (A) is a useful organic reagent. The compound (A) is

A

SOCl₂

B

SO₂Cl₂

C

S₂Cl₂

D

SF₄