Match the compound in Column I with the oxygen species it contains in Column II. Column I: P Li2O, Q Na2O2, R KO2, S KO3. Column II: 1 O^2-, 2 O2^2-, 3 O2^-, 4 O3^-.

JEE Main levelSingle correct optionDifficulty 2 of 3sb126

Match the compound in Column I with the oxygen species it contains in Column II. Column I: P $Li X_{2} O$ , Q $Na X_{2} O X_{2}$ , R $KO X_{2}$ , S $KO X_{3}$ . Column II: 1 $O X^{2 -}$ , 2 $O X_{2} X^{2 -}$ , 3 $O X_{2} X^{-}$ , 4 $O X_{3} X^{-}$ .

Li X_{2} O

is a normal oxide containing

O X^{2 -}

Na X_{2} O X_{2}

is a peroxide with

O X_{2} X^{2 -}

KO X_{2}

is a superoxide with

O X_{2} X^{-}

and

KO X_{3}

is an ozonide with

O X_{3} X^{-}

. The matching is P-1, Q-2, R-3, S-4.