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For one of the element various successiv...

For one of the element various successive ionization enthalpies (in 1 `mol^(-1)`) are giben below

The element is

A

Al

B

Si

C

Mg

D

P

Text Solution

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The correct Answer is:
A
From the given data, 3rd ionization enthalpy is low, 4th ionisation enthalpy is very high. So, after removal of 3 electrons the element attains stability. Hence, it is a trivalent element i.e. Al
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ERRORLESS-CLASSFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -NCERT BASED QUESTIONS (Ionisation Energy)
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