Statement I : In the reaction of dil(or)conc. HNO3 with metals, H2 gas is not liberated.Statement II : Tendency to undergo reduction is more for NO3- than H+.
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a
Both (I) & (II) are True
b
(I) is true & (II) is false
c
(I) is false & (II) is True
d
Both (I) & (II) are false
answer is A.
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Detailed Solution
SRP values of NO3- / N2O ; NO3- / NO and NO3- / NO2 are +ve and very high. ∴ NO3- is a strong oxidant.ENO3-/NOx0>EH+/12H2,Pt0When H+ & NO3- compete to undergo reduction, NO3- will always get reduced to N2O (or) NO (or) NO2.