Strong intermolecular hydrogen bonding in HF.

Higher molar mass of HF.

Greater van der Waals forces in HF.

HF's ability to form ionic bonds.

${{\rm{H}}_2}{{\rm{O}}_2}\,{\rm{and}}\,{{\rm{H}}_2}{\rm{O}}$

${\rm{HCOOH and C}}{{\rm{H}}_3}{\rm{COOH}}$

${\rm{C}}{{\rm{H}}_3}{\rm{COOH and C}}{{\rm{H}}_3}{\rm{COOC}}{{\rm{H}}_3}$

${\rm{Si}}{{\rm{H}}_4}\,{\rm{and SiC}}{{\rm{l}}_4}$

$He_2^ +$

${B_2}$

$O_2^ -$

${N_2}$

Water < alcohol < ether

Water > alcohol > ether

Alcohol > water < ether

Ether > water > alcohol

Intramolecular hydrogen bonding in o-nitrophenol

Stronger intermolecular forces in p-nitrophenol

Higher molecular weight of p-nitrophenol

Resonance stabilization in o-nitrophenol

Stronger intermolecular hydrogen bonding in p-hydroxybenzaldehyde.

Stronger intramolecular hydrogen bonding in o-hydroxybenzaldehyde.

Higher molecular weight of p-hydroxybenzaldehyde.

Greater van der Waals forces in p-hydroxybenzaldehyde.

Similar to $\mathrm{H_2S}$

Higher than $\mathrm{H_2Te}$

Significantly lower than the other hydrides

Slightly higher than $\mathrm{H_2S}$

${\rm{Si}}{{\rm{H}}_4}\,\,and\,\,{\rm{Si}}{{\rm{F}}_6}$

${\rm{C}}{{\rm{H}}_3} - \mathop {\mathop {{\rm{ }}C}\limits_{\;||} }\limits_{\,\,{\rm{O}}} - {\rm{C}}{{\rm{H}}_3}{\mkern 1mu} {\mkern 1mu} {\rm{and}}\,{\rm{CHC}}{{\rm{l}}_3}$

${\rm{H}} - \mathop {\mathop {\rm{C}}\limits_{||} }\limits_{{\kern 1pt} {\rm{O}}} - {\rm{OH}}{\mkern 1mu} {\mkern 1mu} and{\mkern 1mu} {\mkern 1mu} {\rm{C}}{{\rm{H}}_3} - \mathop {\mathop {\rm{C}}\limits_{||} }\limits_{{\kern 1pt} {\rm{O}}} - {\rm{OH}}$

${{\rm{H}}_2}{\rm{O}}\,\,{\rm{and}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_2}$

Both Assertion and Reason are true, and Reason is the correct explanation for Assertion

Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion

Assertion is true, but Reason is false

Assertion is false, but Reason is true

o-nitrophenol

m-nitrophenol

p-nitrophenol

phenol

HF and HF

H2O and H2O

NH3 and NH3

CH4 and CH4