1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Which of the following two are isostructural?
A
XeF2, IF2$$-$$
B
NH3, BF3
C
CO32$$-$$, SO32$$-$$
D
PCl5, ICl5
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Nitrogen forms N2, but phosphorus does not form P2, however, it converts P4, reason is
A
triple bond present between phosphorus atom
B
p$$\pi $$ $$-$$ p$$\pi $$ bonding is weak
C
p$$\pi $$ $$-$$ p$$\pi $$ bonding is strong
D
multiple bonds form easily.
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Right order of dissociation energy N2 and N2+ is
A
N2 > N2+
B
N2 = N2+
C
N2+ > N2
D
none
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which species does not exhibit paramagnetism?
A
N2+
B
O2$$-$$
C
CO
D
NO

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