Redox Reactions And Electrochemistry Ques 114

Question: For the reactions, C+O2→CO2;ΔH=−393J 2Zn+O2→2ZnO;ΔH=−412J [AIEEE 2002]

Options:

A) Carbon can oxidise Zn

B) Oxidation of carbon is not feasible

C) Oxidation of Zn is not feasible

D) Zn can oxidise carbon

Show Answer

Answer:

Correct Answer: D

Solution:

Zn can oxidise carbon because heat of combusion of Zn<C .

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