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1
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is structural formula of mesityl oxide?

A
$\left(\mathrm{CH}_3\right)_2 \mathrm{CH}-\mathrm{CH}=\mathrm{CH}-\mathrm{CO}-\mathrm{CH}_3$
B
$\left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{CH}-\mathrm{CO}-\mathrm{CH}_3$
C
$\left(\mathrm{CH}_3\right)_3 \mathrm{C}-\mathrm{CH}=\mathrm{CH}-\mathrm{CO}-\mathrm{CH}_3$
D
$\left(\mathrm{CH}_3\right)_2 \mathrm{CH}-\mathrm{CH}=\mathrm{CH}-\mathrm{CO}-\mathrm{CH}\left(\mathrm{CH}_3\right)_2$
2
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following has lowest boiling point?

A
Pentanal
B
Propanal
C
Methanal
D
Ethanal
3
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following compounds has highest boiling point?

A
Propanal
B
Ethanal
C
Pentanal
D
Hexanal
4
MHT CET 2025 21st April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the reagent ' $R$ ' used in the following reaction.

Ketone $\xrightarrow{\mathrm{R}}$ Semicarbazone

A
$\mathrm{NH}_2 \mathrm{OH}$
B
$\mathrm{NH}_2-\mathrm{NH}-\mathrm{CONH}_2$
C
$\mathrm{NH}_2-\mathrm{NH}-\mathrm{C}_6 \mathrm{H}_5$
D
$\quad \mathrm{NH}_2-\mathrm{NH}_2$
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