1.

What will be the effect of adding 100 mL of 10^(-3) M HCl solution to a solution of HA having concentration 0.1 M ? (K_a of HA=10^(-5))

Answer»

DEGREE of dissociation of HA will DECREASE, PH will remain constant
Degree of dissociation of HA will INCREASE and pH decreases
Neither pH nor degree of dissociation of HA will change .
Both degree of dissociation and pH will decrease

Answer :C


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