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

What is EAN of Mn in $\mathrm{Mn}(\mathrm{CO})_5$ ?

A

35

B

36

C

34

D

37

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

Which of the following on reaction with Grignards reagent followed by hydrolysis forms secondary alcohol?

A

HCHO

B

$\mathrm{CH}_3-\mathrm{CHO}$

C

$\mathrm{CH}_3-\mathrm{CO}-\mathrm{CH}_3$

D

$\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CO}-\mathrm{CH}_3$

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

Identify inner transition element from following.

A

Hf

B

Mo

C

No

D

Zr

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

Identify the electrolyte from following so that $\wedge_0$ is not obtained from the graphical variation of $\wedge$ against $\sqrt{\mathrm{C}}$ ?

A

KCl

B

$\quad \mathrm{H}_2 \mathrm{SO}_4$

C

$\mathrm{CH}_3 \mathrm{COOK}$

D

$\mathrm{NH}_4 \mathrm{OH}$