1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
For the reduction of silver ions with copper metal, the standard cell potential was found to be + 0.46 V at 25oC. The value of standard Gibb's energy, $$\Delta $$Go will be
(F = 96500 C mol$$-$$1)
A
$$-$$ 89.0 kJ
B
$$-$$ 89.0 J
C
$$-$$ 44.5 kJ
D
$$-$$ 98.0 kJ
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
For the reaction N2O5(g) $$ \to $$  2NO2(g) + 1/2O2(g)
the value of rate of disappearance of N2O5 is given as 6.25 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1. The rate of formation of NO2 and O2 is given respectively as
A
6.25 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1 and
6.25 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1
B
1.25 $$ \times $$ 10$$-$$2 mol L$$-$$1 s$$-$$1 and
3.125 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1
C
6.25 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1 and
3.125 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1
D
1.25 $$ \times $$ 10$$-$$2 mol L$$-$$1 s$$-$$1 and
6.25 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
During the kinetic study of the reaction, 2A + B $$ \to $$ C + D, following results were obtained
Run [A]/mol L$$-$$1 [B]/mol L$$-$$1 Initial rate of formation
of D/mol L$$-$$1 min$$-$$1
I. 0.1 0.1 6.0$$ \times $$10$$-$$3
II. 0.3 0.2 7.2$$ \times $$10$$-$$2
III. 0.3 0.4 2.88$$ \times $$10$$-$$1
IV. 0.4 0.1 2.40$$ \times $$10$$-$$2

Based on the above data which one of the following is correct?
A
Rate = k[A]2[B]
B
Rate = k[A][B]
C
Rate = k[A]2[B]2
D
Rate = k[A][B]2
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following molecular hydrides acts as a Lewis acid?
A
NH3
B
H2O
C
B2H6
D
CH4
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