MCQ
Increasing the temperature of an aqueous solution will cause
- ADecrease in molality
- ✓Decrease in molarity
- CDecrease in mole fraction
- DDecrease in $ \% $ $w/w$
✓
Answer
Correct option: B.
Decrease in molarity
b
(b)An increases in temperature increase the volume of the solution and thus decreases its molarity.
(b)An increases in temperature increase the volume of the solution and thus decreases its molarity.
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
Identify $(i), (ii)$ and $(iii)$ in the following diagram :-
→The reaction of elemental sulphur with Grignard reagent followed by acidification leads to the formation of
The given data are for the reaction :
→$2NO(g) + Cl_2(g) \to 2NOCl(g)$ at $298\, K$
$[Cl_2]$ $[NO]$ Rate $(mol\, L^{-1} \sec^{-1})$
$I$ $0.05\, M$ $0.05\,M$ $1 \times 10^{-3}$
$II$ $0.15\, M$ $0.05\,M$ $3 \times 10^{-3}$
$III$ $0.05\, M$ $0.15\,M$ $9 \times 10^{-3}$
The rate law for the reaction is
A current of strength $2.5$ amp was passed through $CuS{O_4}$ solution for $6$ minutes $26$ seconds. The amount of copper deposited is .............. $\mathrm{g}$ (Atomic weight of $Cu = 63.5$) ($1$ faraday $=\,96500$ coulombs)
→The major product of the following reaction is
In the following reactions products $(A)$ and $(B)$. respectively, are
→$\mathrm{NaOH}+\mathrm{Cl}_{2} \rightarrow(\mathrm{A})+$ side products
(hot and conc.)
$\mathrm{Ca}(\mathrm{OH})_{2}+\mathrm{Cl}_{2} \rightarrow(\mathrm{B})+$ side products
$(dry)$
In the given reaction
→$[Image]$
the number of $sp ^{2}$ hybridised carbon (s) in compound ' $X$ ' is $.....$
$B.H.C.$ is used as
→The 'Spin only' Magnetic moment for $\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+}$ is_____ $\times 10^{-1} \mathrm{BM}$.
→$($ given $=$ Atomic number of $\mathrm{Ni}: 28)$
Iodine stains: