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  • I need help with Which one of the following elements is unable toform M63- ion?

Which one of the following elements is unable to
 

 form M63- ion?

 

  • Option 1)

    B

  • Option 2)

    Al

  • Option 3)

    Ga

  • Option 4)

    In

 

Answers (1)

best_answer

 As we learnt that

Isolation Energy of Boron Family -

Does not decreases regularly down the group

- wherein

Discontinuity between Al and Ga, and In and Tl is due to inability of d and f electrons (low screening effect) to compensate the increase in nuclear charge

 

 

 

B belongs to 2nd period and it does not have vacant d - orbital


Option 1)

B

This is correct.

Option 2)

Al

This is incorrect.

Option 3)

Ga

This is incorrect.

Option 4)

In

this is incorrect.

Posted by

Plabita

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