1.

Consider the following statements and arrange in the order of true/false as given in the codes. S_1:The addition of chlorine water drop wise to a solution of a bromide liberate free bromine, which colours the solution orange red. S_2:Chlorine gas bleaches the filter paper moistened with yellow dyestuff, fluorescein. S_3:Nitrogen gas is evolved when a solution of nitrate is boiled with zinc dust and sodium hydroxide solution.

Answer»

T T T
T F T
T F F
T T F

Solution :`S_1:2Br^(-)+Cl_2toBr_2`(ORANGE RED COLOUR in water) + `2CL^(-)`
`S_2`:True statement .
`S_3:NO_3+4Zn+7OH^(-)+6H_2O to NH_3uarr + 4[ZN(OH)_4]^(2-)`


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