1
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
2
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
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The correct order of increasing bond angles in the following species is
A
Cl2O < ClO2 < ClO$$_2^ - $$
B
ClO2 < Cl2O < ClO$$_2^ - $$
C
Cl2O < ClO$$_2^ - $$ < ClO2
D
ClO$$_2^ - $$ < Cl2O < ClO2
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid decreases in the sequence
A
BCl3 > BF3 > BBr3
B
BBr3 > BCl3 > BF3
C
BBr3 > BF3 > BCl3
D
BF3 > BCl3 > BBr3