The equivalent weight of HNO3 in the reaction2HNO3⟶2NO+H2O+3O is.
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a
21
b
42
c
63
d
10.5
answer is A.
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Detailed Solution
2HNO3 ⟶ 2NO + H2O + 3O2[1 + 14 + (3 X 16)] 3 x 16 = 48parts= 216 parts.48 parts by weight of oxygen = 126 parts by weight of HNO3.∴ 8 parts by weight of oxygen =12648×8=21.