Salt reacts with to give a white precipitate

CHEMISTRY · Single correct · CBSE · Chemistry · Chemical Bonding and Molecular Structure · Chemical Bonding and Molecular Structure

Problem

Salt

A

reacts with

\mathrm{BaCl}_2

to give a white precipitate.

A

is paramagnetic in nature and contains about

55\%

potassium. Thus,

A

is: (1)

\mathrm{K}_2\mathrm{O}

(2)

\mathrm{K}_2\mathrm{O}_2

(3)

\mathrm{KO}_2

(4)

\mathrm{K}_2\mathrm{SO}_4