1
JEE Advanced 2020 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language
The Fischer projection of D-erythrose is shown below :

JEE Advanced 2020 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 28 English 1

D-erythrose and its isomers are listed as P, Q, R, and S in Column - I. Choose the correct relationship of P, Q, R, and S with D-erythrose from Column - II.
JEE Advanced 2020 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 28 English 2
A
P Q R S
2 3 2 2
B
P Q R S
3 1 1 2
C
P Q R S
2 1 1 3
D
P Q R S
2 3 3 1
2
JEE Advanced 2014 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure.

JEE Advanced 2014 Paper 2 Offline Chemistry - Basics of Organic Chemistry Question 18 English

The correct order of their boiling point is

A
I > II > III
B
III > II > I
C
II > III > I
D
III > I > III
3
IIT-JEE 2011 Paper 1 Offline
MCQ (Single Correct Answer)
+1
-0.25
Among the following compound, the most acidic is
A
p-nitrophenol
B
p-hydroxybenzoic acid
C
o-hydroxybenzoic acid
D
p-toluic acid
4
IIT-JEE 2010 Paper 1 Offline
MCQ (Single Correct Answer)
+1
-0.25
The bond energy (in kcal mol-1) of a C-C single bond is approximately
A
1
B
10
C
100
D
1000
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