Ionic Equilibrium · Chemistry · MHT CET (Biology)
MCQ (Single Correct Answer)
What is the value of $\mathrm{pK}_{\mathrm{a}}$ if $0.1 \mathrm{M} \mathrm{CH}_3 \mathrm{COONa}$ and $0.01 \mathrm{M} \mathrm{CH}_3 \mathrm{COOH}$ are mixed to form buffer solution having pH 4.50 ?
The solubility of sparingly soluble, salt $\mathrm{AX}_2$ is $1.5 \times 10^{-3} \mathrm{~mol} \mathrm{dm}^{-3}$. What is its solubility product?
Solubility of $\mathrm{Mg}(\mathrm{OH})_2$ is ' S ' $\mathrm{mol} / \mathrm{dm}^3$ its solubility product is equal to
Identify the compound from following so that Ostwald's dilution law is NOT applicable to it.
At 298 K pH of a solution is 13 . What is the number of $\mathrm{H}_3 \mathrm{O}^{+}$ions present in one mL of this solution?
The solubility product of $\mathrm{PbI}_2$ is $2.8 \times 10^{-8}$. Calculate its solubility in $\mathrm{mol} \mathrm{dm}^{-3}$.
Which from the following buffers is used for precipitation of cations of IIIA group in qualitative analysis?
The dissociation constant of weak monoacidic base is $1.8 \times 10^{-5}$. Calculate the degree of dissociation in 0.02 M solution.
Calculate the pH of buffer solution containing 0.12 M weak acid and 0.48 M of its salt with strong base if $\mathrm{pK}_{\mathrm{a}}$ is 3.82 .
Which from the following equations represents the relation between solubility ( $\mathrm{mol} \mathrm{L}^{-1}$ ) and solubility product for the salt $\mathrm{B}_2 \mathrm{~A}$ ?
Calculate the pOH of buffer solution formed from 0.3 M weak base and 0.45 M of its salt with strong acid $\left[\mathrm{pK}_{\mathrm{b}}=4.7447\right]$
Calculate degree of dissociation of a weak monobasic acid in 0.01 M solution if dissociation constant is $1.6 \times 10^{-5}$.