1
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
$\mathrm{DIBAI}-\mathrm{H}$
2
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 $$ $$
3
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product ' B ' in the following sequence of reactions.

Methyl magnesium bromide $\xrightarrow{\mathrm{CdCl}_2} \mathrm{~A}\xrightarrow{\mathrm{CH}_3 \mathrm{COCl}} \mathrm{~B}$

A
Dimethyl cadmium
B
Propanone
C
Butanone
D
Propanal
4
MHT CET 2025 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the compound formed by action of chromyl chloride on toluene in presence of $\mathrm{CS}_2$ and hydrolysed further?
A
Chlorobenzene
B
Benzal chloride
C
Benzaldehyde
D
Benzoic acid
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