A hydrated barium salt has the composition Ba(ClO_x)2.H2O in which chlorine is in the +5 state. Which option gives the correct formula and name?

Ba(ClO3)2.H2O, barium chlorate monohydrate

Ba(ClO2)2.H2O, barium chlorite monohydrate

Ba(ClO3)2.H2O, barium perchlorate monohydrate

Ba(ClO4)2.H2O, barium chlorate monohydrate

JEE Advanced levelSingle correct optionDifficulty 3 of 3bn148

A hydrated barium salt has the composition $Ba (ClO_{x}) X_{2} \cdot H X_{2} O$ in which chlorine is in the $+ 5$ state. Which option gives the correct formula and name?

+ 5

in a

- 1

ion:

5 - 2 x = - 1

gives

x = 3

, i.e.

ClO X_{3} X^{-}

, chlorate. The water is mono-hydrate.