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JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
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The aldehydes which will not form Grignard product with one equivalent Grignard reagents are -

JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 185 English
A
B and D
B
C and D
C
B, C and D
D
B and C
2
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
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The major product of the following reaction is –

JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 184 English
A
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 184 English Option 1
B
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 184 English Option 2
C
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 184 English Option 3
D
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 184 English Option 4
3
JEE Main 2019 (Online) 12th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
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In the following reaction, products A and B are –

JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 187 English
A
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 187 English Option 1
B
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 187 English Option 2
C
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 187 English Option 3
D
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 187 English Option 4
4
JEE Main 2019 (Online) 12th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the following reaction :

Aldehyde + Alcohol   $$\buildrel {HCl} \over \longrightarrow $$  Acetal

Aldehyde                    Alcohol
HCHO tBuOH
CH3CHO MeOH

The best combination is
A
CH3CHO and MeOH
B
HCHO and MeOH
C
CH3CHO and tBuOH
D
HCHO and tBuOH
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