Chemistry · 2023
JEE Main · 29 January 2023, Shift 1 · Q51
Millimoles of calcium hydroxide required to produce 100 mL of the aqueous solution of pH 12 is x × 10^-1. The value of x is ____ (Nearest integer).…
Millimoles of calcium hydroxide required to produce $\displaystyle 100$ mL of the aqueous solution of pH $\displaystyle 12$ is $\displaystyle x \times 10^{-1}$. The value of $\displaystyle x$ is $\displaystyle \_\_\_\_$ (Nearest integer).Assume complete dissociation.
Official answer
From NTA’s final answer key for this paper.
5
More from Ionic Equilibrium
- Given below are two statements: Statement (I): Aqueous solution of ammonium carbonate is basic. Statement (II): Acidic/basic nature of salt solution…2024
- For a sparingly soluble salt AB_2, the equilibrium concentrations of A^2+ ions and B^- ions are 1.2 × 10^-4 M and 0.24 × 10^-3 M, respectively. The…2024
- For a concentrated solution of a weak electrolyte (K_eq=. equilibrium constant ) A_2 B_3 of concentration ' c ', the degree of dissociation ' α ' is2023
- One litre buffer solution was prepared by adding 0.10 mol each of NH_3 and NH_4 Cl in deionised water. The change in pH on addition of 0.05 mol of…2025
- Which of the following happens when NH_4 OH is added gradually to the solution containing 1 M A^2+ and 1 M B^3+ ions? Given: K_sp[A(OH)_2]=9 × 10^-10…2025
- The pH of a 0.01 M weak acid HX(K_a=4 × 10^-10) is found to be 5. Now the acid solution is diluted with excess of water so that the pH of the…2025
- If the pKa of lactic acid is 5, then the pH of 0.005 M calcium lactate solution at 25^° C is ____ × 10^-1 (Nearest integer) Lactic acid2023
- The molar solubility(s) of zirconium phosphate with molecular formula (Zr^4+)_3(PO_4^3-)_4 is given by relation:2025
JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.