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1
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product ' B ' in following reaction.

Ethanal $\xrightarrow{\text { dil } \mathrm{NaOH}} A \xrightarrow[\mathrm{H}_2 \mathrm{O}]{\Delta} B$

A
3-Hydroxybutanal
B
4-Hydroxybutanal
C
But-2-enal
D
But-3-enal
2
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following compounds has highest boiling point?

A
Acetaldehyde
B
Propionaldehyde
C
Butyraldehyde
D

Valeraldehyde

3
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following reagents is used in Gatterman-Koch formylation of arene?

A
$\quad \mathrm{AlH}(\mathrm{i}-\mathrm{Bu})_2$
B
$\mathrm{CO}, \mathrm{HCl}$ (anhyd. $\mathrm{AlCl}_3$ )
C
$\quad \mathrm{CrO}_2 \mathrm{Cl}_2\left(\mathrm{CS}_2\right)$
D
$\mathrm{DIBAI}-\mathrm{H}$
4
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Benzonitrile on reduction with stannous chloride in presence of hydrochloric acid followed by acid hydrolysis forms,

A
Benzal chloride
B
Benzoyl chloride
C
Benzophenone
D
Benzaldehyde $$ $$
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