First slide

Atomic and physical properties

Question

Boron does not form B³⁺ ions where as Al forms Al³⁺ ions. This is because

Easy

A

The size of B atom is larger than that of Al
B

The sum of IE₁ + IE₂ + IE₃ of B is much higher than that of Al
C

The sum of IE₁ + IE₂ + IE₃ of Al is much higher than that of B
D

Both 1 and 2

Solution

Due to its small size and high sum of first three ionisation energies B can't loose it's three valency electrons and can't form B⁺³ion

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