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Factors Affecting Ionisation Energy

What is the t...

Question

What is the trend of ionization energy on going from Sn to Pb?

A

Remains same

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B

Slight increase

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C

Slight decrease

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D

Considerable decrease

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Solution

The correct option is B
Slight increase

There is slight increase in I.E from Sn to Pb because of poor shielding effect of intervening d and f orbitals and increase in size
of the atom.

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