Which of the following is incorrect - Vidyadip

MCQ

Which of the following is incorrect

A
Relative lowering of vapour pressure is independent
B
The vapour pressure is a colligative property
C
Vapour pressure of a solution is lower than the vapour pressure of the solvent
✓
The relative lowering of vapour pressure is directly propertional to the original pressure

✓

Answer

Correct option: D.

The relative lowering of vapour pressure is directly propertional to the original pressure

d
(d)According to Raoult's law, the relative lowering in vapour pressure of a dilute solution is equal to mole fraction of the solute present in the solution.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 1. Solution and colligative properties→1. Solution and colligative properties — all question types→Chemistry STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

If Solubility of $H_2S$ in water at $STP$ is $0.195\, m$, ........ $bar$ is the value of $K_H$.

Choose the correct colour of the product for the following reaction.

Assertion : Alpha $\left( \alpha \right) - $ amino acids exist as internal salt in solution as they have amino and carboxylic acid groups in near vicinity.
Reason : $H^+$ ion given by carboxylic group $(-COOH)$ is captured by amino group $(-NH_2)$ having lone pair of electrons.

Reaction of $x g$ of $Sn$ with $HCl$ quantitatively produced a salt. Entire amount of the salt reacted with $y g$ of nitrobenzene in the presence of required amount of $HCl$ to produce $1.29 g$ of an organic salt (quantitatively).

($1$) The value of $x$ is. . . . .

($2$) The value of $y$ is. . . . .

$2{H^ + }\,(aq) + 2{e^ - }\, \to \,{H_2}\,(g).$The standard electrode potential for the above reaction is (in volts)

The major product $(\mathrm{P})$ in the following reaction is

Which is not correctly matched

Which of the following is a colligative property

Rate of dehydration of alcohols follows the order

The increasing order of acidity among phenol, $p-$ methylphenol, $ m-$ nitrophenol and $p-$ nitrophenol is