Q 2613123040.     Match the following : If `k_a` of `HCN = 5 xx 10^-10`, `k_a` of `HOCN = 3.2 xx 10^-4`, `k_b` of `NH_3 = 1 8 xx 10^-5`, `k_a` of `CH_3COOH = 1.8 xx 10^-5`
Column IColumn II
(A) `10^-2` M NaA (p) pH > 7
(B) 100 ml of `10^-1` M NaCI + 100 ml of `10^-1` M HCI + 300 ml of `10^-1` M NaOH (q) `pH != 7`
(C) `10^-1` M HCI + `10^-1` M HCN (r) `pH < 7`
(D) `10^-1` M `NH_4OCN` (S) pH =7


A

(A- p, q) ; (8- p,q) ; (C- q,r) ; (D- q,r)

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