A solid A^(+)B^(-) has NaCl type close packed structure. If the anion has a radius of 250 pm,what should be the ideal radius of cation ? Can a cationC^(+)having a radius of 180 pm be slipped into the tetrahedral site of the crtstalA^(+) B^(-)?Given reason for your answer .

A solid A^(+)B^(-) has NaCl type close packed structure. If the anion

1.	A solid A^(+)B^(-) has NaCl type close packed structure. If the anion has a radius of 250 pm,what should be the ideal radius of cation ? Can a cationC^(+)having a radius of 180 pm be slipped into the tetrahedral site of the crtstalA^(+) B^(-)?Given reason for your answer .
Answer» <html><body><p><br/></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :`(r_(+)(<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>^(+)))/(r_(-)(B^(-))) = (180"pm")/(250"pm") = 0.72`<br/>It does not ,lie in the <a href="https://interviewquestions.tuteehub.com/tag/range-1177030" style="font-weight:bold;" target="_blank" title="Click to know more about RANGE">RANGE</a> ( 0.225 - 0.414 . Hence`C^(+)`cannot be slipped into the tetrahedral site.</body></html>