MCQ
The correct order of boiling point is
- A$T_2 < D_2 < H_2$
- ✓$n -$ pentane $<$ neo-pentane
- C$Xe < Ar < He$
- D$m -$ nitrophenol $>$ $o -$ nitrophenol

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$H_2 + F_2 \longrightarrow 2HF$
given that
Bond energy of $H-H$ bond $= 434\, kJ/mol$
Bond energy of $F-F$ bond $= 158\, kJ/mol$
Bond energy of $H-F$ bond $= 565\, kJ/mol$
.....$ kJ$