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

Which of the following is a pair of dihydric phenols?

A

Resorcinol and pyrogallol

B

Quinol and phloroglucinol

C

Phloroglucinol and pyrogallol

D

Catechol and quinol

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

Identify the products of following reaction.

$$ \mathrm{C}_6 \mathrm{H}_5 \mathrm{COOC}_2 \mathrm{H}_5 \xrightarrow[\text { dil H}_2 \mathrm{SO}_4]{\Delta} \text { Products } $$

A

$\mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}+\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$

B

$\mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}+\mathrm{C}_2 \mathrm{H}_5 \mathrm{COOH}$

C

$\mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH}+\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$

D

$\mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH}+\mathrm{C}_2 \mathrm{H}_5 \mathrm{COOH}$

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

Identify the correct decreasing order of stability of complexes formed by divalent metal ions with same ligand.

A

$\mathrm{Co}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Ni}^{2+}$

B

$\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}$

C

$\mathrm{Ni}^{2+}>\mathrm{Co}^{2+}>\mathrm{Fe}^{2+}$

D

$\mathrm{Ni}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}$

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

Which from following tests for glucose confirms presence of carbonyl group?

A

Action of $\mathrm{NH}_2 \mathrm{OH}$ to form oxime

B

Heating with HI forming $n$-hexane

C

Formation of pentaacetate derivative when reacted with acetic anhydride

D

Glucose and gluconic acid both form saccharic acid when treated with dilute $\mathrm{HNO}_3$