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JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
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JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English
Considering the above reaction, the major product among the following is :
A
JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 1
B
JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 2
C
JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 3
D
JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 4
2
JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Identify A in the given chemical reaction.

JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 122 English
A
JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 122 English Option 1
B
JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 122 English Option 2
C
JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 122 English Option 3
D
JEE Main 2021 (Online) 26th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 122 English Option 4
3
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
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The major product of the following reaction is :

JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 126 English
A
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 126 English Option 1
B
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 126 English Option 2
C
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 126 English Option 3
D
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 126 English Option 4
4
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
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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
$$C{H_3}CN\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ii)\,{H_2}O}^{i)\,DIBAL - H}} $$
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