1
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
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
Heat of combustion $$\Delta $$Ho for C(s), H2(g) and CH4(g) are $$-$$ 94, $$-$$ 68 and $$-$$213 kcal/mol, then $$\Delta $$Ho for C(s) + 2H2(g) $$ \to $$ CH4(g) is
A
$$-$$17 kcal
B
$$-$$111 kcal
C
$$-$$170 kcal
D
$$-$$85 kcal
4
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
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