4. In the redox reaction.
MnO4 + 8H' + SBr Mn 41,0 + 5/2 Brz
Which one is reducing agent?
(a) H (b) MnO4 (c) Br (d) Mn
5. 7.5g of a gas occupies a volume of 5.6 litres at 0°C and 1 atm pressure.
The gas is
(a) NO (b) NO (c) CO (d) CO,
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Answer:
4. mno4
5. co2 ................
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