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The set representing the correct increas...

The set representing the correct increasing order of first ionization enthalpy

A

`Na lt K lt Li`

B

`Ca lt Mg lt Be`

C

`Si lt Ge lt C`

D

`C lt B lt N`

Text Solution

Verified by Experts

The correct Answer is:
B
I.P decrease down the group with the increase in atomic size.
`IP_(1)` values :
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