1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which reaction is not feasible?
A
2KI + Br2 $$ \to $$ 2KBr + I2
B
2KBr + I2 $$ \to $$ 2KI + Br2
C
2KBr + Cl2 $$ \to $$ 2KCl + Br2
D
2H2O + 2F2 $$ \to $$ 4HF + O2
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In a closed insulated container a liquid is stirred with a paddle to increase the temperature which of the following is true ?
A
$$\Delta $$E = W $$ \ne $$ 0, q = 0
B
$$\Delta $$E = w = q $$ \ne $$ 0
C
$$\Delta $$E = 0, W = q $$ \ne $$ 0
D
W = 0, $$\Delta $$E = q $$ \ne $$ 0.
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Unit of entropy is
A
J K$$-$$1 mol$$-$$1
B
J mol$$-$$1
C
J$$-$$1 K$$-$$1 mol$$-$$1
D
J K mol$$-$$1
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Change in enthalpy for reaction,

2H2O2(l) $$ \to $$ 2H2O(l) + O2(g)

if heat of formation of H2O2(l) and H2O(l) are $$-$$188 and - 286 kJ/mol respectively, is
A
$$-$$ 196 kJ/mol
B
+ 196 kJ/mol
C
+948 kJ/mol
D
$$-$$ 948 kJ/mol

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