1
IIT-JEE 2012 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2

Which of the following molecules, in pure form, is(are) unstable at room temperature?

A
IIT-JEE 2012 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 18 English Option 1
B
IIT-JEE 2012 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 18 English Option 2
C
IIT-JEE 2012 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 18 English Option 3
D
IIT-JEE 2012 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 18 English Option 4
2
IIT-JEE 2011 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2

Among the given options, the compound(s) in which all the atoms are in one plane in all the possible conformations (if any) is(are)

A
IIT-JEE 2011 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 16 English Option 1
B
IIT-JEE 2011 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 16 English Option 2
C
H2C = C = 0
D
H2C = C = CH2
3
IIT-JEE 2010 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2

In the Newman projection for 2,2-dimethylbutane, X and Y can, respectively, be

IIT-JEE 2010 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 11 English

A
H and H
B
H and C$$_2$$H$$_5$$
C
C$$_2$$H$$_5$$ and H
D
CH$$_3$$ and CH$$_3$$
4
IIT-JEE 2009 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2

The correct statement(s) about the compound $$\mathrm{H_3C(HO)HC-CH=CH-CH(OH)CH_3~~(X)}$$ is (are)

A
The total number of stereoisomers possible for X is 6.
B
The total number of diastereomers possible for X is 3.
C
If the stereochemistry about the double bond in X in $$trans$$, the number of enantiomers possible for X is 4.
D
If the stereochemistry about the double bond in X is $$cis$$, the number of enantiomers possible for X is 2.
JEE Advanced Subjects