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Friday, 9 October

JEE Main 2026 · ChemistryMultiple choiceSingle correctMediumCalculation

JEE Main 5 April 2026, Shift 1, Chemistry Q55

Question 55 of 75 in this shift, Chemistry question 5 of 25, Section A.

M3A2\mathrm{M_3A_2} is a sparingly soluble salt of molar mass yy g mol−1^{-1} and solubility xx g L−1^{-1}. The ratio of the molar concentration of the anion (A3−\mathrm{A^{3-}}) to the solubility product of the salt is
  1. (1)154⋅y4x4\frac{1}{54}\cdot\frac{y^4}{x^4}Official answer
  2. (2)y5108x4\frac{y^5}{108x^4}
  3. (3)108⋅x5y5108\cdot\frac{x^5}{y^5}
  4. (4)1108y4x4\frac{1}{108}\frac{y^4}{x^4}

Official answer

Option 1

NTA final key.

Same idea in other shifts

Asked 2× in all
  1. 9 Jan 2020, Shift 2 · Q27The solubility product of Cr(OH)3\mathrm{Cr(OH)_3} at 298 K is 6.0×10−316.0\times10^{-31}. The concentration of hydroxide ions in a saturated solution…MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.