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Q.

The size of any species depends on various factors such aa nature of charge, magnitude of charge/oxidation state, effective nuclear charge, electronic configuration etc

Select the order of me which are correct?

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a

B>Be>Li

b

Mg>Mg+=Mg2+

c

O>O>O2

d

Sc<Ti

answer is A.

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Detailed Solution

The chemical properties of the oxygen atom like nature of charge, magnitude of charge/oxidation state, effective nuclear charge, electronic configuration decrease with increase the negative charge on them.

The correct order is O>O>O2.

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