Liquid ammonia ionizes to slight extent. At , its self-ionization constant, . How many amide ions are present per ml of pure liquid ammonia? ()

Question

Liquid ammonia ionizes to slight extent. At $-50^\circ 	ext{C}$, its self-ionization constant, $K = [	ext{NH}_4^+][	ext{NH}_2^-] = 10^{-30} 	ext{ M}^2$. How many amide ions are present per ml of pure liquid ammonia? ($N_A = 6 	imes 10^{23}$)

Prashant Kotian · Accepted Answer

Correct answer: C. In pure liquid ammonia, . The number of moles per ml is . The number of amide ions per ml is ions. Therefore, correct answer is C.

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