The order of decreasing ionisation enthalpy in alkali metals is: - Vidyadip

MCQ

The order of decreasing ionisation enthalpy in alkali metals is:

A
$\text{Na > Li > K > Rb}$
B
$\text{Rb < Na < K < Li}$
✓
$\text{Li > Na > K > Rb}$
D
$\text{K < Li < Na < Rb}$

✓

Answer

Correct option: C.

$\text{Li > Na > K > Rb}$

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