Heat of combustion ΔH° for C(s), H₂(g) and CH₄(g) are –94, –68 and –213 Kcal/mol. then ΔH° for C(s) + 2H₂(g) → CH₄ (g) is :-
A
–17 Kcal
B
–111 Kcal
C
–170 Kcal
D
–85 Kcal

Question

Heat of combustion ΔH° for C(s), H₂(g) and CH₄(g) are –94, –68 and –213 Kcal/mol. then ΔH° for C(s) + 2H₂(g) → CH₄ (g) is :-

Accepted Answer

–17 Kcal

Answer

–111 Kcal

Answer

–170 Kcal

Answer

–85 Kcal

AIPMT PRELIMS 2002 Chemistry Hess's Law MCQ Question