1
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
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Solubility of MX2 type electrolytes is 0.5 $$ \times $$ 10$$-$$4 mole/lit., then find out Ksp of electrolytes.
A
5 $$ \times $$ 10$$-$$12
B
25 $$ \times $$ 10$$-$$10
C
1 $$ \times $$ 10$$-$$13
D
5 $$ \times $$ 10$$-$$13
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which has highest pH?
A
CH3COOK
B
Na2CO3
C
NH4Cl
D
NaNO3
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Reaction BaO2(g) $$\rightleftharpoons$$ BaO(s) + O2(g); $$\Delta $$H = +ve. In equilibrium condition, pressure of O2 depends on
A
increase mass of BaO2
B
increase mass of BaO
C
increase temperature on equilibrium
D
increase mass of BaO2 and BaO both.