(B) According to Le Chatelier's principle,when a product $(CN_{(aq)}^{-})$ is added to a system at equilibrium,the reaction shifts in the backward dir

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Decrease the $H_{(aq)}^{+}$ ion concentration

(B) According to Le Chatelier's principle,when a product $(CN_{(aq)}^{-})$ is added to a system at equilibrium,the reaction shifts in the backward direction to counteract the change.This shift consumes $H_{(aq)}^{+}$ ions and $CN_{(aq)}^{-}$ ions to form more $HCN_{(aq)}$.Therefore,the concentration of $H_{(aq)}^{+}$ ions decreases.

Class 11 Chemistry 1 Equilibrium: Chemical Equilibrium Le-Chaterlier principle and It’s application

Easy

Consider the reaction $HCN_{(aq)} \Leftrightarrow H_{(aq)}^{+} + CN_{(aq)}^{-}$. At equilibrium,the addition of $CN_{(aq)}^{-}$ would

A
Reduce $HCN_{(aq)}$ concentration
B
Decrease the $H_{(aq)}^{+}$ ion concentration
C
Increase the equilibrium constant
D
Decrease the equilibrium constant

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1 Equilibrium: Chemical Equilibrium

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Le-Chaterlier principle and It’s application

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Consider the reaction $HCN_{(aq)} \Leftrightarrow H_{(aq)}^{+} + CN_{(aq)}^{-}$. At equilibrium,the addition of $CN_{(aq)}^{-}$ would

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Which one of the following conditions will favour maximum formation of the product in the reaction
$A_{2(g)} + B_{2(g)} \rightleftharpoons X_{2(g)}; \Delta_{r} H = -X \ kJ$

Consider the following reaction for which the change in enthalpy is positive:
$2 A_{(g)} + B_{(g)} \rightleftharpoons C_{(g)} + D_{(g)}$
Which of the following will not affect the equilibrium?