1
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following species contains three bond pairs and one lone pair arround the central atom ?
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following structures is the most preferred and hence of lowest energy for SO3?
A
B
C
D
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
The pairs of species of oxygen and their
magnetic behaviours are noted below. Which of
the following presents the correct description?
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the two ions from the list given below that have the geometry that is explained by the same hybridization of orbitals, NO$$_2^ - $$. NO$$_3^ - $$, NH$$_2^ - $$, NH$$_4^ + $$, SCN$$-$$?
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