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1
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Product of the following reaction is

COMEDK 2023 Morning Shift Chemistry - Aldehyde and Ketone Question 16 English

A
COMEDK 2023 Morning Shift Chemistry - Aldehyde and Ketone Question 16 English Option 1
B
COMEDK 2023 Morning Shift Chemistry - Aldehyde and Ketone Question 16 English Option 2
C
COMEDK 2023 Morning Shift Chemistry - Aldehyde and Ketone Question 16 English Option 3
D
COMEDK 2023 Morning Shift Chemistry - Aldehyde and Ketone Question 16 English Option 4
2
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Acetophenone when reacted with a base, $$\mathrm{C}_2 \mathrm{H}_5 \mathrm{ONa}$$, yields a stable compound which has the structure

A
COMEDK 2023 Morning Shift Chemistry - Aldehyde and Ketone Question 17 English Option 1
B
COMEDK 2023 Morning Shift Chemistry - Aldehyde and Ketone Question 17 English Option 2
C
COMEDK 2023 Morning Shift Chemistry - Aldehyde and Ketone Question 17 English Option 3
D
COMEDK 2023 Morning Shift Chemistry - Aldehyde and Ketone Question 17 English Option 4
3
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is incorrect?

A
Primary alcohols are very easily oxidised to aldehydes, which are oxidised to acids with same number of C-atoms.
B
Secondary alcohols are very easily oxidised to ketones, which are oxidised to acids with same number of C-atoms.
C
Secondary alcohols are easily oxidised to ketones, which are oxidised to acids with lesser number of $$\mathrm{C}$$-atoms.
D
Secondary and tertiary alcohols on oxidation form acids with lesser number of C-atoms.
4
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following compounds would not undergo Aldol condensation?

A
Phenyl ethanal
B
1- Phenyl propanone.
C
2,2-Dimethyl butanal
D
2- Methyl pentanal
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