Which amongst the following is the most stable carbocation?
A
$$\mathop C\limits^ + $$H3
B
CH3$$\mathop C\limits^ + $$H2
C
D
Explanation
3o C is more stable due to the stabilization of the
charge by three methyl groups (or inductive effect).
It can also be explained on the basis of
hyperconjugation.
3
AIPMT 2005
MCQ (Single Correct Answer)
Which one of the following pairs represents stereoisomerism?
A
Structural isomerism and gemetrical isomerism
B
Optical isomerism and geometrical isomerism
C
Chain isomerism and rotational isomerism
D
Linkage isomerism and geometrical isomerism.
Explanation
Pair of optical isomerism and geometrical
isomerism are able to exhibit the phenomenon of stereoisomerism because both type of isomers differ
only in their orientation in space.
4
AIPMT 2005
MCQ (Single Correct Answer)
The chirality of the compound
A
R
B
S
C
E
D
Z
Explanation
Questions Asked from Some Basic Concepts of Organic Chemistry
On those following papers in MCQ (Single Correct Answer)
Number in Brackets after Paper Indicates No. of Questions