1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In NO3$$-$$ ion number of bond pair and lone pair of electrons on nitrogen atom are
A
2, 2
B
3, 1
C
1, 3
D
4, 0
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following is isoelectronic?
A
CO2, NO2
B
NO2$$-$$, CO2
C
CN$$-$$, CO
D
SO2, CO2
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
In X - H --- Y, X and Y both are electronegative elements. Then
A
electron density on X will increase and on H will decrease
B
in both electron density will increase
C
in both electron density will decrease
D
on X electron density will decrease and on H increases.
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
In which of the following bond angle is maximum ?
A
NH3
B
NH4+
C
PCl3
D
SCl2
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