1
IIT-JEE 1991
MCQ (Single Correct Answer)
+1
-0.25
The volume strength of 1.5 N H2O2 solution is
A
4.8
B
8.4
C
3.0
D
8.0
2
IIT-JEE 1990
MCQ (Single Correct Answer)
+1
-0.25
The oxidation number of phosphorus in Ba(H2PO2) is :
A
+3
B
+2
C
+1
D
-1
3
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
The equivalent weight of MnSO4 is half of its molecular weight, when it converts to
A
Mn2O3
B
MnO2
C
$$MnO_4^ - $$
D
$$MnO_4^{2 - }$$
4
IIT-JEE 1982
MCQ (Single Correct Answer)
+1
-0.25
The oxidation number of carbon in CH2O is
A
-2
B
+2
C
0
D
+4
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