1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Concentrated aqueous sulphuric acid is 98% H2SO4 by mass and has a density of 1.80 g mL$$-$$1. Volume of acid required to make one litre of 0.1 M H2SO4 solution is
A
16.65 mL
B
22.20 mL
C
5.55 mL
D
11.10 mL
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If Kf for water is 1.86 K kg mol$$-$$1, the lowering in freezing point of the solution is
A
0.56 K
B
1.12 K
C
$$-$$ 0.56 K
D
$$-$$ 1.12 K
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The equilibrium constant of the reaction:
Cu(s) + 2Ag+(aq) $$ \to $$ Cu2+(aq) + 2Ag(s);
Eo = 0.46 V at 298 K is
A
2.0 $$ \times $$ 1010
B
4.0 $$ \times $$ 1010
C
4.0 $$ \times $$ 1015
D
2.4 $$ \times $$ 1010
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The efficiency of a fuel cell is given by
A
$$\Delta $$G/$$\Delta $$S
B
$$\Delta $$G/$$\Delta $$H
C
$$\Delta $$S/$$\Delta $$G
D
$$\Delta $$H/$$\Delta $$G
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