1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
d$$\pi $$ $$-$$ p$$\pi $$ bond present in
A
CO32$$-$$
B
PO43-
C
NO3$$-$$
D
NO2$$-$$
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which statement is wrong ?
A
Bond energy of F2 > Cl2
B
Electronegativity of F > Cl
C
F is more oxidising than Cl
D
Electron affinity of Cl > F
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which species does not exhibit paramagnetism?
A
N2+
B
O2$$-$$
C
CO
D
NO
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The entropy change in the fusion of one mole of a solid melting at 27oC (latent heat of fusion is 2930 J mol–1) is :
A
9.77 J/mol-K
B
10.77 J/mol-K
C
9.07 J/mol-K
D
0.977 J/mol-K