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Which of the folowing elements form pero...

Which of the folowing elements form peroxides when heated in excess of air?

A

K

B

Na

C

Ba

D

Ca

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
K forms superoxide , `KO_(2)` while others form peroxides .
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Knowledge Check

  • which of the following CANNOT form peroxide ?

    A
    Cs
    B
    Mg
    C
    Be
    D
    All of these

  • Which of the following is formed when lithium is heated in air?

    A
    Only `Li_2O`
    B
    only `Li_3N`
    C
    Both `Li_2CO_2 and Li_3N`
    D
    Both `Li_2O and Li_3N`

  • Which of the following is formed when lithium is heated in air?

    A
    Only `Li_2O`
    B
    Only `Li_3N`
    C
    Both `Li_2O_2 and Li_3N`
    D
    `Both `Li_2O and Li_3N`