1.

A colourless mixture of two salts (A) and (B) excess is soluble in H_(2)O. Separately (A) turns blue litmus red and (B) turns red litmus blue. (A) given white precipitate with (B), which dissolves in excess of (B) forming (C). (A) when placed in moist air gives fumes and can form dimer. (A) gives white precipitate with NH_(4)CI and NH_(4)OH soluble in (B).(A) also gives white precipitate with AgNO_(3) soluble in NH_(4)OH. (A) turns blue litmus red. it is due to acidic solution because of:

Answer»

hydrolysis of cation of (A)
hydrolysis of anion of (A)
hydrolysis of both cation and aion
none of the above is correct

Solution :`(A) rarr AICI`,
(B) `rarr NaOH, AI^(3+) +H_(2)O HARR AI(OH)^(2+) +H^(+)`


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