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Which of the following is the incorrect ...

Which of the following is the incorrect order of first ionisation enthalpy?

A

`Sn lt Pb`

B

`Sn lt Ge`

C

`Ge lt Si`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
In general in the periodic table, ionization energy decreases down the group, but the value for lead is somewhat higher than tin.
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