MCQ
Which has the highest molar heat of vaporisation
- A$HF$
- B$HCl$
- C$HBr$
- ✓$HI$
✓
Answer
Correct option: D.
$HI$
d
(d) In case of $HI$ due to large size of iodine strong Vander Waal forces are present. Hence, it has highest molar heat of vaporisation.
(d) In case of $HI$ due to large size of iodine strong Vander Waal forces are present. Hence, it has highest molar heat of vaporisation.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Haloforms are trihalogen derivatives of
The correct order of $S-S$ bond length in following oxyanions is
→$(I)$ $S_2O_4^{2-}$ $(II)$ $S_2O_5^{2-}$ $(III)$ $S_2O_6^{2-}$
The factor affecting the activation energy of a reaction is :
Correct reactivity order of following compound towards alkaline hydrolysis is:-
In the equation $4M + 8C{N^ - } + 2{H_2}O + {O_2} \to 4{[M{(CN)_2}]^ - } + 4O{H^ - }$ Identify the metal $M$
→In the following reaction
→$\begin{matrix}
\begin{matrix}
C{{H}_{3}}\,\,\,\,\,\,\,\, \,\, \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix} \\
C{{H}_{3}}-C-CH=C{{H}_{2}} \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}\,\,\,\,\,\,\,\, \,\,\,\, \\
\end{matrix}\,$ $\xrightarrow{{{H}_{2}}O/{{H}^{\oplus }}}$ $\underset{Major\,\,product}{\mathop{A}}\,$ $+$ $\underset{Major\,\,product}{\mathop{B}}\,$
The major product is
| Column $-I$ (various solutions) | Column $-II$ (Their freezing point ) | ||
| $a$ | $0.1\,M\, BaCl_2$ solution | $p$ | $271\,K$ |
| $b$ | $0.1\,M\, NaCl$ solution | $q$ | $270\, K$ |
| $c$ | $0.1\,M\, K_3 [Fe(CN)_6]$ solution | $r$ | $268\, K$ |
| $d$ | $0.1\,M\, Al_2 (SO_4)_3$ solution | $s$ | $269\, K$ |
Given : Freezing point of $0.1\,M$ sucrose solution $= 272\,K$ and $F.pt.$ of water $= 273\,K$
Which of the following option show correct matches ? (assume, molarity=molality)
Identify the non reducing sugar
What is the hybridisation of carbon and oxygen in electronic structure of ether?
When $0.1\, mol\, MnO_4^{2-}$ is oxidised the quantity of electricity required to completely oxidise $MnO_4^{2-}$ to $MnO_4^-$ is ........ $C.$
→