In how many of the following reactions, one of the products is obtained as a yellow precipitate ?
Channel: Doubtnut
Date: 2020-01-26

In how many of the following reactions, one of the products is obtained as a yellow precipitate ? `Ba^(2+)+CrO_4^(2-)to` products `Hg^(2+)+Co^(2+)+4SCN^(-)to` products `Bi^(3+)+C_6H_3(OH)_3to` products `Mn(OH)_2 darr+O_2to` products `Zn^(2+)+2HPO_4^(2-)to` products `NH_4^(+)+[PtCl_6]^(2-)to` products