Question

What will be the answer of 8question

Answer 1

Hi. , there !!!

these are all isoelectronic in nature having 18 Electron in there Crrosponding atom

so ,

Now

Ionic Radius increase with gaining the negative charge / or decrease by gaining positive charge

so According to your question

S²- > Cl- > K+ > Ca+

hence option number C is Correct !!!

hope it help you

kindly comment if you have any doubt !!!

thanks !!

Ranjankumar