Which of the following does not form peroxides?

B a

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B e

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C a

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M g

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Solution

The correct option is B $B e$
Beryllium does not form peroxides due to its very small size and high polarizing power of $B e^{2 +}$ cation. However, $B a, C a$ and $M g$ form peroxides.

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Similar questions

Which of the following elements does not form hydride by direct heating with dihydrogen?
(a) Be (b) Mg (c) Sr (d) Ba

B e, M g, C a, S r, B a

B e {C l}_{2}, M g {C l}_{2}, C a {C l}_{2}

B a {C l}_{2}

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