For the equilibrium that exists in an aqueous solution of nitrous acid (HNO2,a weak acid) ,the equilibrium constant expression is:
A) K = ![For the equilibrium that exists in an aqueous solution of nitrous acid (HNO<sub>2</sub>,a weak acid) ,the equilibrium constant expression is: A) K = B) K = C) K = [H<sup>+</sup>][NO<sub>2</sub><sup>-</sup>] D) K = E) none of these](https://d2lvgg3v3hfg70.cloudfront.net/TB6423/11eaa8f0_66e9_3c6c_93a6_ebe63bb37c45_TB6423_11.jpg)
B) K = ![For the equilibrium that exists in an aqueous solution of nitrous acid (HNO<sub>2</sub>,a weak acid) ,the equilibrium constant expression is: A) K = B) K = C) K = [H<sup>+</sup>][NO<sub>2</sub><sup>-</sup>] D) K = E) none of these](https://d2lvgg3v3hfg70.cloudfront.net/TB6423/11eaa8f0_66e9_3c6d_93a6_47b56fe9af1d_TB6423_11.jpg)
C) K = [H+][NO2-]
D) K = ![For the equilibrium that exists in an aqueous solution of nitrous acid (HNO<sub>2</sub>,a weak acid) ,the equilibrium constant expression is: A) K = B) K = C) K = [H<sup>+</sup>][NO<sub>2</sub><sup>-</sup>] D) K = E) none of these](https://d2lvgg3v3hfg70.cloudfront.net/TB6423/11eaa8f0_66e9_637e_93a6_0f8dc5afa5f8_TB6423_11.jpg)
E) none of these
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