A solution is 0.1 M in and 0.001 M in . Solid AgNO is gradually added to it. Assuming that the addition does not change in volume and and . Select correct statement from the following: 3 + + 2 4 + (A)

Question

A solution is 0.1 M in and 0.001 M in . Solid AgNO is gradually added to it. Assuming that the addition does not change in volume and and . Select correct statement from the following: 3 + + 2 4 +

(A) AgCl precipitates first because its is high
(B) precipitates first as its is low
(C) precipitates first because the amount of needed is low
(D) will precipitates first as the amount of needed to precipitate is low

Prashant Kotian · Accepted Answer

Correct answer: C) PRECIPITATES FIRST BECAUSE THE AMOUNT OF NEEDED IS LOW. Given - A solution is 0.1 M in and 0.001 M in . The amount of Ag just required to start precipitation of AgCl = The amount of Ag just required to start precipitation of Ag CrO = Thus, AgCl required less amount of Ag to start precipitating, it will precipitate first.

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