1
JEE Advanced 2013 Paper 1 Offline
MCQ (More than One Correct Answer)
+2
-0.5
The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due to
A
$$\sigma \to \pi$$ (empty) and $$\sigma \to \pi^*$$ electron delocalisations
B
$$\sigma \to \sigma^*$$ and $$\sigma \to \pi$$ electron delocalisations
C
$$\sigma \to p$$ (filled) and $$\sigma \to \pi$$ electron delocalisations
D
p (filled) $$\to \sigma^*$$ and $$\sigma \to \pi^*$$ electron delocalisations
2
IIT-JEE 2012 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

Which of the given statement(s) about N, O, P and Q with respect to M is(are) correct?

IIT-JEE 2012 Paper 2 Offline Chemistry - Basics of Organic Chemistry Question 16 English

A
M and N are non-minor image stereoisomers.
B
M and O are identical.
C
M and P are enantiomers.
D
None of these.
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 12 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.
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