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1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
Decreasing order of stability of O2, O2$$-$$, O2+ and O22$$-$$ is
A
O22$$-$$  >  O2$$-$$  >  O2  >  O2+
B
O2  >  O2+  >  O22$$-$$  >  O2$$-$$
C
O2$$-$$  >  O22$$-$$  >  O2+  >  O2
D
O2+  >  O2  >  O2$$-$$  >  O22$$-$$
2
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following pairs of ions are isoelectronic and isostructural ?
A
SO32$$-$$,  NO3$$-$$
B
ClO3$$-$$,  SO32$$-$$
C
CO32$$-$$, SO32$$-$$
D
ClO3$$-$$, CO32$$-$$,
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following species contains equal number of $$\sigma $$- and $$\pi $$-bonds ?
A
(CN)2
B
CH2(CN)2
C
HCO3$$-$$
D
XeO4
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following options represents the correct bond order ?
A
O2$$-$$  > O2 < O2+
B
O2$$-$$  <  O2  >  O2+
C
O2$$-$$  >  O2  >  O2+
D
O2$$-$$  <  O2  <  O2+
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