Among ${\rm{NaF,\;}}\,\,{\rm{NaCl,\;}}\,\,{\rm{NaBr\;}}\,\,{\rm{and\;}}\,\,{\rm{NaI,}}$ the NaF has highest melting point because:

Back to CHEMICAL BONDING & MOLECULAR STRUCTURE

NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

1 Easy

1 of 1

Understanding +4 | -1

Among 

\mathrm{NaF,\;}\,\,\mathrm{NaCl,\;}\,\,\mathrm{NaBr\;}\,\,\mathrm{and\;}\,\,\mathrm{NaI,}

the NaF has highest melting point because:

View answer and explanation

Correct option: A

It has maximum ionic character

Option A (It has maximum ionic character) is correct because, according to Fajan's rule, smaller cation and anion size leads to higher lattice energy and thus a higher melting point, and NaF has the smallest ions among the given options.

NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

More Questions from CHEMICAL BONDING & MOLECULAR STRUCTURE