1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the molecules CH4, NH3 and H2O.

Which of the given statements is false?
A
The H $$-$$ O $$-$$ H bond angle in H2O is smaller than the H $$-$$ N $$-$$ H bond angle in NH3.
B
The H $$-$$ C $$-$$ H bond angle in CH4 is larger than the H $$-$$ N $$-$$ H bond angle in NH3.
C
The H $$-$$ C $$-$$ H bond angle in CH4, the H $$-$$ N $$-$$ H bond angle in NH3, and the H $$-$$ O $$-$$ H bond angle in H2O are all greater than 90o.
D
The H $$-$$ O $$-$$ H bond angle in H2O is larger than the H $$-$$ C $$-$$ H bond angle in CH4.
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
In which of the following pairs, both the species are not isostructural ?
A
Diamond, Silicon carbide
B
NH3, PH3
C
XeF4, XeO4
D
SiCl4, PCl4+
3
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$$-$$
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+
NEET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12