1
JEE Main 2021 (Online) 25th February Evening Shift
+4
-1
The major product of the following reaction is :

A
B
C
D
2
JEE Main 2021 (Online) 25th February Morning Slot
+4
-1
Which one of the following reactions will not form acetaldehyde?
A
$$C{H_3}C{H_2}OH\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{573K}^{Cu}}$$
B
$$C{H_3}C{H_2}OH\buildrel {Cr{O_3} - {H_2}S{O_4}} \over \longrightarrow$$
C
$$C{H_2} = C{H_2} + {O_2}\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{{H_2}O}^{Pd(II)/Cu(II)}}$$
D
$$C{H_3}CN\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ii)\,{H_2}O}^{i)\,DIBAL - H}}$$
3
JEE Main 2021 (Online) 25th February Morning Slot
+4
-1
Given below are two statements :

Statement I : CeO2 can be used for oxidation of aldehydes and ketones.

Statement II : Aqueous solution of EuSO4 is a strong reducing agent.

In the light of the above statements, choose the correct answer from the options given below :
A
Statement I is true but Statement II is false.
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are false
D
Both Statement I and Statement II are true
4
JEE Main 2021 (Online) 25th February Morning Slot
+4
-1
The major product of the following chemical reaction is :

A
$$C{H_3}C{H_2}CHO$$
B
$$C{H_3}C{H_2}C{H_3}$$
C
$$C{H_3}C{H_2}C{H_2}OH$$
D
$${(C{H_3}C{H_2}CO)_2}O$$
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