The correct order of polarizability for `I^(-),Br^(-),CI^(-),F^(-)` is :

The correct order of size among Br^(+), Br, Br^(-)

Order of nucleophilic character of I^(-), CI^(-), Br^(-) is -

The order of the nucleophilicity of F^(-) ,Cl^(-), Br^(-) and I^(-) in protic solvents is

The correct order of electron affinity of F, Cl, Br and I is

Arrange the following ions // molecules in the order of decreasing nucleophilicity in ethanol: (ii) F^(-), Br^(-), I^(-), CI^(-) .

A student arranged the halide ions in the increasing order of polarisabillity as: F lt I lt Cl lt Br. Is this the correct order? If not write it in correct order

Statement-1: In a mixture containing Br^(-) and I^(-) , violet colour (of I_(2)) appears first in chloroform layer, when chlorine gas is passed through the mixture dissolves in water. Statement-2: The order of the strength of reducing properties is as follows I^(-) gt Br^(-) gt CI^(-) gt F^(-) .