The stability of carbanions in the following.
is in the order of
A
(iv) > (ii) > (iii) > (i)
B
(i) > (iii) > (ii) > (iv)
C
(i) > (ii) > (iii) > (iv)
D
(ii) > (iii) > (iv) > (i)
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
If there is no rotation of plane polarised light by a compound in a specific solvent, through to be chiral, it may mean than
A
the compound is certainly meso
B
there is no compound in the solvent
C
the compound may be a racemic mixture
D
the compound is certainly a chiral.
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The order of decreasing reactivity towards an electrophilic reagent, for the following would be
(i) benzene
(ii) toluene
(iii) chlorobenzene
(iv) phenol
A
(ii) > (iv) > (i) > (iii)
B
(iv) > (iii) > (ii) > (i)
C
(iv) > (ii) > (i) > (iii)
D
(i) > (ii) > (iii) > (iv)
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
For (i) I$$-$$, (ii) Cl$$-$$, (iii) Br$$-$$, the increasing order of nucleophilicity would be
