1
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is used as reagent in Etard reaction?

A
Chromium chloride
B
Chromyl chloride
C
Chromium oxide
D
Chromic acid
2
MHT CET 2025 25th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the name of reaction if carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed by heating with sodium hydroxide in ethylene glycol.

A
Wolf-Kishner reduction
B
Clemmensen reduction
C
Stephen reaction
D
Etard reaction
3
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
$\left(\mathrm{CH}_3\right)_2 \mathrm{CH}-\mathrm{CH}=\mathrm{CH}-\mathrm{CO}-\mathrm{CH}\left(\mathrm{CH}_3\right)_2$
4
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
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