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(a) Name the type of intermolecular forces existing in the molecules of BCl_(3),NCl_(3) and NHCl_(2). (b) Which of these is most likely to exist in the condensed state and which one is least likely?

Answer» <html><body><p></p>Solution :(a) `BCl_(3)`, being symmetrical molecule has London forces only. <br/> `NCl_(3)`,being pyraimdal has a <a href="https://interviewquestions.tuteehub.com/tag/net-5194" style="font-weight:bold;" target="_blank" title="Click to know more about NET">NET</a> dipole moment, i.e, it is polar and <a href="https://interviewquestions.tuteehub.com/tag/hence-484344" style="font-weight:bold;" target="_blank" title="Click to know more about HENCE">HENCE</a> dipole-dipole forces are present in addition to London forces. <br/> `NHCl_(2)` has hydrogen bonding becauseof the presence of N-H <a href="https://interviewquestions.tuteehub.com/tag/bond-900583" style="font-weight:bold;" target="_blank" title="Click to know more about BOND">BOND</a> in addition to London forces. <br/> (b) Due to presence of hydrogen bonding which is a strong bond compared to dipole-dipole and London forces, `NHCl_(2)` is most likely to be in comdensed <a href="https://interviewquestions.tuteehub.com/tag/phase-22748" style="font-weight:bold;" target="_blank" title="Click to know more about PHASE">PHASE</a>. `BCl_(3)` has weakest intermolecular forces and hence is least likely to be in condensed phase, i.e., it is likely to be <a href="https://interviewquestions.tuteehub.com/tag/gaseous-467815" style="font-weight:bold;" target="_blank" title="Click to know more about GASEOUS">GASEOUS</a>.</body></html>


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