1.

Assertion : Fe^(3+)can be used for coagulation of As_2S_3 sol. Reason: Fe^(3+)reacts with As_2 S_3 to give Fe_2S_3 .

Answer»

(A) and (R) are TRUE and (R) is the correct EXPLANATION of (A)
Both (A) and (R) are true but (R) does not explain (A)
(A) is true but (R) is FALSE
Both (A) and (R) are false

Answer :C


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