1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The increasing order of atomic radii of the following group 13 elements is

A
Al < Ga < In < Tl
B
Ga < Al < In < Tl
C
Al < In < Tl < Ga
D
Al < Ga < Tl < In
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The hydrocarbon that cannot be prepared effectively by Wurtz reaction

A
COMEDK 2021 Chemistry - Hydrocarbons Question 28 English Option 1
B
COMEDK 2021 Chemistry - Hydrocarbons Question 28 English Option 2
C
COMEDK 2021 Chemistry - Hydrocarbons Question 28 English Option 3
D
COMEDK 2021 Chemistry - Hydrocarbons Question 28 English Option 4
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Reaction

COMEDK 2021 Chemistry - Aldehyde and Ketone Question 29 English

find the product B.

A
COMEDK 2021 Chemistry - Aldehyde and Ketone Question 29 English Option 1
B
COMEDK 2021 Chemistry - Aldehyde and Ketone Question 29 English Option 2
C
COMEDK 2021 Chemistry - Aldehyde and Ketone Question 29 English Option 3
D
COMEDK 2021 Chemistry - Aldehyde and Ketone Question 29 English Option 4
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Why, ketones and carboxylic acids have higher boiling point as compared to aldehydes?

A
Due to $$-$$CHO group
B
Due to Fazan's rule
C
Due to inter molecular hydrogen bonding
D
Due to intramolecular hydrogen bonding
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