1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which of the following shows maximum number of oxidation states?
A
Cr
B
Fe
C
Mn
D
V
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
2Zn + O2 $$ \to $$ 2ZnO;  $$\Delta $$Go = $$-$$ 616 J
2Zn + S2 $$ \to $$ 2ZnS;  $$\Delta $$Go = $$-$$ 293 J
S2 + 2O2 $$ \to $$ 2SO2;   $$\Delta $$Go = $$-$$408 J
$$\Delta $$Go for the following reaction
2ZnS + 3O2 $$ \to $$  2ZnO + 2SO2 is
A
$$-$$ 731 J
B
$$-$$ 1317 J
C
$$-$$ 501 J
D
+ 731 J
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Volume of CO2 obtained by the complete decomposition of 9.85 g of BaCO3 is
A
2.24 L
B
1.118 L
C
0.84 L
D
0.56 L
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Oxidation numbers of A, B, C are + 2, +5 and $$-$$2 respectively. Possible formula of compound is
A
A2(BC2)2
B
A3(BC4)2
C
A2(BC3)2
D
A3(B2C)2
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