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MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the reagent used in following conversion.

MHT CET 2021 21th September Morning Shift Chemistry - Aldehyde and Ketone Question 31 English

A
$$\mathrm{CO}, \mathrm{HCl} / \mathrm{AlCl}_3$$
B
$$\mathrm{CrO}_2 \mathrm{Cl}_2 \cdot \mathrm{H}_3 \mathrm{O}^{+}$$
C
$$\mathrm{AlH}(\mathrm{i}-\mathrm{Bu})_2, \mathrm{H}_3 \mathrm{O}^{+}$$
D
$$\mathrm{CrO}_3,\left(\mathrm{CH}_3 \mathrm{CO}\right)_2 \mathrm{O}$$
2
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following reactions converts carbonyl group of aldehydes and ketones to methylene group on treatment with zinc amalgam and concentrated $$\mathrm{HCl}$$ ?

A
Wolf-Kishner reaction
B
Stephen reduction
C
Clemmensen reduction
D
Rosenmund reduction
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following compounds has highest boiling point?

A
Hexanal
B
Propanal
C
Ethanal
D
Pentanal
4
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product formed in the following reaction,

$$\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2-\mathrm{CHO} \mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{(ii)\,{H_2}{O^ + }}^{(i)\,LiAl{H_4}}}} \text {Products }$$

A
$$\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2-\mathrm{OH}$$
B
$$\mathrm{CH}_3-\left(\mathrm{CH}_2\right)_3-\mathrm{CH}_2-\mathrm{OH}$$
C
$$\mathrm{CH}_3-\mathrm{CH}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2-\mathrm{OH}$$
D
$$\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH}$$
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