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  • Stuck here, help me understand: An element X occurs in short period having configurationns2np1 .The formula and nature of its oxide are:

An element X occurs in short period having configuration ns2 np1 . The formula and nature of its oxide are:

  • Option 1)

    X03 , basic

  • Option 2)

    XO3 ,acidic

  • Option 3)

    X2O3 , amphoteric

  • Option 4)

    X2O3, Basic

 

Answers (1)

best_answer

As we learned in concept

Newland's Octaves Law -

Arranged the element in increasing order of their atomic weight and found that every eighth element had properties similar to that of the first element. Law of Octave was found to be true upto calcium.

-

 

 An element having configuration ns2 np1 will show +3 OS and its oxide nature willbe that of its group i.e. Baron, Aluminium, etc.

\therefore X2O3, and amphateric nature.


Option 1)

X03 , basic

This option is incorrect.

Option 2)

XO3 ,acidic

This option is incorrect.

Option 3)

X2O3 , amphoteric

This option is correct.

Option 4)

X2O3, Basic

This option is incorrect.

Posted by

divya.saini

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