For a weak acid, the incorrect statement is - Vidyadip

MCQ

For a weak acid, the incorrect statement is

A
Its dissociation constant is low
✓
Its $p{K_a}$ is very low
C
It is partially dissociated
D
Solution of its sodium salt is alkaline in water

✓

Answer

Correct option: B.

Its $p{K_a}$ is very low

(b) For a weak acid value of $pK_a$ will be vary high but in case of strong acid value of $pK_a$ will be vary low.

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 6.2. Equilibrium - II (icon Equilibrium)→6.2. Equilibrium - II (icon Equilibrium) — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

For any given series of spectral lines of atomic hydrogen, let $\Delta \bar V\, = \,\Delta {\bar V_{\max }}\, - \,\Delta {\bar V_{\min }}$ be the difference in maximum and minimum frequencies in $cm^{-1}.$ the ration $\Delta {\bar V_{Lymann}}/\,\Delta {\bar V_{Balmer}}$ is

Bohr’s model of atom explains :

The reaction $\ce{2A(g)\rightarrow A2(g)},$ will be spontaneous :

The heat evolved in the combustion of methane is given by the following equations:$C{H_4}(g) + 2{O_2}(g)\, \to \,C{O_2}(g) + {H_2}O(l);$$\Delta H = - 890.3\,kJ$ How many grams of methane would be required to produce $445.15\, kJ$ of heat of combustion......$g$

Choose the correct statement($s$) among the following.

$(A)$ $SnCl _2 \cdot 2 H _2 O$ is a reducing agent.

$(B)$ $SnO _2$ reacts with $KOH$ to form $K _2\left[ Sn ( OH )_6\right]$.

$(C)$ A solution of $PbCl _2$ in $HCl$ contains $Pb ^{2+}$ and $Cl ^{-}$ions.

$(D)$ The reaction of $Pb _3 O _4$ with hot dilute nitric acid to give $PbO _2$ is a redoxreaction.

Cathode rays are deflected by:

In which of the following reaction $H_2O_2$ acts as reducing agent
$(I)$ $H_2O_2 + 2H^+ + 2e^-\to 2H_2O$
$(II)$ $H_2O_2 + 2e^-\to O_2 + 2H^+$
$(III)$ $H_2O_2 + 2e^-\to 2 OH^-$
$(IV)$ $H_2O_2 + 2OH^-+ 2e^-\to O_2 + 2H_2O$

When $0.15\, \mathrm{~g}$ of an organic compound was analyzed using Carius method for estimation of bromine, $0.2397 \,\mathrm{~g}$ of $AgBr$ was obtained. The percentage of bromine in the organic compound is $.....$ (Nearest integer)

[Atomic mass : Silver $=108$, Bromine $=80]$

The discovery of neutron becomes very late because

Which functional group is present in a molecule of $\mathrm{CH}_3 \mathrm{OCH}_2 \mathrm{CH}_3\ ?$