Download App

6.2. Equilibrium - II (icon Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.2. Equilibrium - II (icon Equilibrium)1 Mark
MCQ
Calculate the minimum concentration of sulphate ion required to precipitate $BaSO_4$ in solution containing $10^{-4}\,mol/L$ of $Ba^{+2}$ . $(K_{sp} \,BaSO_4 = 4 \times 10^{-10})$
  • ✓
    $4 \times 10^{-6}$
  • B
    $4 \times 10^{-10}$
  • C
    $2 \times 10^{-6}$
  • D
    $2 \times 10^{-10}$
✓

Answer

Correct option: A.
$4 \times 10^{-6}$
a
$[Ba^{+2}] [SO_4^{2-}] = 4 \times 10^{-10}$
for minimum or maximum

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

Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$

Assertion $(A)$ : Boron is unable to form $BF _{6}^{3-}$

Reason $(R)$ : Size of $B$ is very small.

In the light of the above statements, choose the correct answer from the options given below.

→
For the change ${H_2}O(l) \to {H_2}O(g);\,P = 1\,atm$, $T = 373\,K$, the free energy change $\Delta G = 0$. This indicates that
→
Chlorine reacts with hot and concentrated $NaOH$ and produces compounds $(X)$ and $(Y)$. Compound $(X)$ gives white precipitate with silver nitrate solution. The average bond order between $Cl$ and $O$ atoms in $(Y)$ is
→
Which two orbital are located along the axis and not between the axis ?
→
Which one of the following is an example of disproportionation reaction?
→
In the series ethane, ethylene and acetylene, the $C - H$ bond energy is
→
The process in which oxidation number increases is known as
→
In which of the following reactions, the concentration of the product is higher than the concentration of reactant at equilibrium ? ($K =$ equilibrium constant)
→
A plot of $ln\, K$ against $\frac{1}{T}$  ($x-$ axis) is expected to be a straight line, with intercept on $Y-$ axis equal to
→
Maximum number of isomers of alkene ${C_4}{H_8}$ are
→