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Which pair of elements on combustion in ...

Which pair of elements on combustion in air give superoxides ?

A

Li, Cs

B

K, Rb

C

Li, Rb

D

K, Li

Text Solution

Verified by Experts

The correct Answer is:
B
K and Rb in alkali metal on combustion in air give superoxides and form `KO_(2) and RbO_(2)` other alkali metal Li, K and Cs produces oxides and peroxides.
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