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

Which from following reagents is NOT involved in Sandmeyer reaction?

A

$\mathrm{CuCl} / \mathrm{HCl}$

B

$\mathrm{CuBr} / \mathrm{HBr}$

C

$\mathrm{CuCN} / \mathrm{KCN}$

D

Cu (Powder) $/ \mathrm{HCl}$

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

Identify positively charged sol from following.

A

Starch

B

Gum

C

Methylene Blue

D

Gelatin

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

The solubility of sparingly soluble, salt $\mathrm{AX}_2$ is $1.5 \times 10^{-3} \mathrm{~mol} \mathrm{dm}^{-3}$. What is its solubility product?

A

$1.65 \times 10^{-7}$

B

$1.35 \times 10^{-8}$

C

$2.25 \times 10^{-8}$

D

$1.15 \times 10^{-7}$

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

Which of the following species acts as an oxidising agent during working of hydrogenoxygen fuel cell?

A

$\mathrm{H}_2$

B

$\mathrm{H}^{+}$

C

$\quad \mathrm{O}_2$

D

NaOH