Q.
Water gives hydrogen in which of the following chemical reaction
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a
When steam is passed over red hot coke
b
Chlorine with water in presence of sunlight
c
Fluorine with cold water
d
Chlorine with cold water
answer is A.
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Detailed Solution
C+H2Osteam→CO+H2Cl2+H2Ocold →HCl+HOCl2F2+2H2O→4HF+O2
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