1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Dipole-induced dipole interactions are present in which of the following pairs
A
HCl and He atoms
B
SiF4 and He atoms
C
H2O and alcohol
D
Cl2 and CCl4
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of these is least likely to act as a lewis base ?
A
BF3
B
PF3
C
CO
D
F$$-$$
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
KMnO4 can be prepared from K2MnO4 as per the reaction,

3MnO42$$-$$ + 2H2O $$\rightleftharpoons$$ 2MnO4$$-$$ + MnO2 + 4OH$$-$$

The reaction can go to completion by removing OH$$-$$ ions by adding
A
CO2
B
SO2
C
HCl
D
KOH
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating ?
A
$$-$$COOH
B
$$-$$ NO2
C
$$-$$ C $$ \equiv $$ N
D
$$-$$ SO3H