Question

c4+ doesn't exist but pb4+ although both belong to same group
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Answer 1

Answer:

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Explanation:

C4+ does not exist but Pb4+ exists although both belong to the same group. This is because. ... large amount of energy is needed in case of carbon.

Answer 2

Explanation:

this happens because as you go down a group, the size of the atom increases and the ionization enthalpy decreases due to the shielding of outermost electrons by the inner electrons