A) \[2NO(g){{N}_{2}}(g)+{{O}_{2}}(g)\]
B) \[S{{O}_{2}}(g)+N{{O}_{2}}(g)S{{O}_{3}}(g)+NO(g)\]
C) \[{{H}_{2}}(g)+{{I}_{2}}(g)2HI(g)\]
D) \[2C(s)+{{O}_{2}}(g)2C{{O}_{2}}(g)\]
Correct Answer: D
Solution :
Key Idea The reaction for which the number of moles of gaseous products (\[{{\text{n}}_{\text{p}}}\]) is not equal to the number of moles of gaseous reactants\[({{n}_{R}}),\]has different value of \[{{K}_{c}}\] and \[{{K}_{p}}\]. \[{{n}_{p}}={{n}_{R}}=2,\text{thus,}{{K}_{p}}={{K}_{c}}\] \[{{n}_{p}}={{n}_{R}}=2,\text{thus,}{{K}_{p}}={{K}_{c}}\] \[{{n}_{p}}={{n}_{R}}=2,\text{thus,}{{K}_{p}}={{K}_{c}}\] \[{{n}_{p}}=2,{{\text{n}}_{\text{R}}}=1,\,\text{thus,}\,{{K}_{p}}\ne {{K}_{c}}\]
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