1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following hydride of chalcogens has lowest bond angle and highest bond length?

A

$\quad \mathrm{H}_2 \mathrm{~S}$

B

$\mathrm{H}_2 \mathrm{Se}$

C

$\mathrm{H}_2 \mathrm{Te}$

D

$\mathrm{H}_2 \mathrm{O}$

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What type of solution is the benzoic acid in benzene?

A

Solid as solvent and solid as solute.

B

Liquid as solvent and solid as solute.

C

Solid as solvent and liquid as solute.

D

Liquid as solute and liquid as solvent.

3
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The solubility product of $\mathrm{PbI}_2$ is $2.8 \times 10^{-8}$. Calculate its solubility in $\mathrm{mol} \mathrm{dm}^{-3}$.

A

$1.323 \times 10^{-3}$

B

$1.912 \times 10^{-3}$

C

$7.912 \times 10^{-3}$

D

$7.323 \times 10^{-23}$

4
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

When forward bias is applied to a p-n junction, then the potential barrier and the width of the depletion region respectively.

A

increases, increases.

B

decreases, increases.

C

increases, decreases.

D

decreases, decreases.