For the reaction equilibrium {\N}_2 {\O}_4( {\g}) ⇋ 2 {\NO}_2( {\g}) the concentrations of {\N}_2 {\O}_4 and {\NO}_2 at equilibrium are 4.8 \times 10^{-2} and 1.2 \times 10^{-2} {\mol} {\L}^{-1} respectively. The value of {\K}_{ {\c}} for the reaction is [AIEEE 2003]

Correct Answer is : 3×10−3molL−1

3 \times 10^{-1} {\mol} {\L}^{-1}

3 \times 10^{-3} {\mol} {\L}^{-1}

3.3 \times 10^2 {\mol} {\L}^{-1}

AIEEE 2003 Chemistry Solved Paper

Section: Chemistry

Question : 23 of 76

Marks: +1, -0

For the reaction equilibrium
N2O4(g)⇋2NO2(g)
the concentrations of N2O4 and NO2 at equilibrium are 4.8×10−2 and 1.2×10−2‌mol‌L−1 respectively. The value of Kc for the reaction is

[AIEEE 2003]

3×10−1‌mol‌L−1
3×10−3‌mol‌L−1
3×103‌mol‌L−1
3.3×102‌mol‌L−1

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