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The first ionization enthalpy of Na, Mg,...

The first ionization enthalpy of Na, Mg, Al and Si are in order.

A

`NaltMgltAlgtSi`

B

`NagtMggtAlgtSi`

C

`NaltMgltAlltSi`

D

`NaltMggtAlltSi`

Text Solution

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The correct Answer is:
b
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