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ChemistryJEE Main 2 Apr 2026, Shift 2·Q12·MCQ·Easy–moderate

Purification & Characterisation · Estimation of carbon and hydrogen

Complete combustion of X g of an organic compound gave 0.25 g of COX2\ce{CO2} and 0.12 g of HX2O\ce{H2O}. If the % of carbon is 25% and of hydrogen is 4.89%, then X = ×10−3\times10^{-3} g. (Nearest integer)

(Molar mass of C, H and O are 12, 1 and 16 g mol−1^{-1} respectively.)

  1. (1)273
  2. (2)27
  3. (3)2730
  4. (4)227

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