Download App

1. Solution and colligative properties — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry1. Solution and colligative properties1 Mark
MCQ
Unit of mole fraction is
  • A
    Moles/litre
  • B
    Moles/litre$^2$
  • C
    Moles-litre
  • ✓
    Dimensionless
✓

Answer

Correct option: D.
Dimensionless
d
Mole fraction is a unit of concentration, defined to be equal to the number of moles of a component divided by the total number of moles of a solution. Because it is a ratio, mole fraction is a unitless expression.

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

Select the correct order of boiling point:
→
$2C{H_3}COOH\mathop {\xrightarrow{{MnO}}}\limits_{{{300}\,^o}C} A$  , product ‘$A$’ in the reaction is
→
A $C_8H_{10}$ hydrocarbon is nitrated by $HNO_3$ and sulphuric acid. Two, and only two, $C_8H_9NO_2$ isomers are obtained, Which of the following fits this evidence ?
→
In the sequence of the following reactions $X $ and $Y$  are respectively

$C{{H}_{3}}OH\xrightarrow{HI}C{{H}_{3}}I\xrightarrow{KCN}$

$C{{H}_{3}}CN\xrightarrow{\text{reduction}}X\xrightarrow{HN{{O}_{3}}}Y$

→
The $P-P-P$ bond angle in white phosphorus is
→
Among the following species the one which causes the highest $CFSE,\,\,\Delta _0$ as a ligand is
→
A dry cell converts chemical energy into:
→
$sp^2$ carbon is not present in
→
$D-$ Mannose $\overset{H{{O}^{-}}}{\longleftrightarrow} \,D-$ Glucose $\overset{H{{O}^{-}}}{\longleftrightarrow} \,(A)$

Product $(A)$ of above reaction is

→
A nitrate when mixed with common salt gives a white precipitate which is soluble in dilute $N{H_4}OH$. It is the nitrate of
→