1
IIT-JEE 1982
MCQ (Single Correct Answer)
+1
-0.25
The oxidation number of carbon in CH2O is
2
IIT-JEE 1981
MCQ (Single Correct Answer)
+1
-0.25
If 0.50 mol of BaCl2 is mixed with 0.20 mol of Na3PO4, the maximum amount of Ba3(PO4)2 that can be formed is
3
IIT-JEE 1981
MCQ (Single Correct Answer)
+1
-0.25
1 mole of N2H4 loses 10 moles of electrons to form a new compound Y. assuming that all nitrogen appears in the new compound , what is the oxidation state of nitrogen in Y ? (there is no change in the oxidation state of hydrogen)
4
IIT-JEE 1980
MCQ (Single Correct Answer)
+2
-0.5
M is molecular weight of KMnO4. The equivalent wight of KMnO4 when it is converted into K2MnO4 is
Questions Asked from Some Basic Concepts of Chemistry (MCQ (Single Correct Answer))
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