Complete combustion of X g of an organic compound gave 0.25 g of CO₂ and 0.12 g of H₂O. If the% of carbon is 25% and of hydrogen is 4.89%, then X = _ _ _ ×10⁻³ g. (Nearest integer) (Molar mass of C, H and O are 12, 1 and 16 g mol ⁻¹ respectively.)

Purification and Characterisation of Organic Compounds: JEE Main 2026 Chemistry question

JEE Main 2026 · 2 Apr, Evening shift · Q62

JEE Main 20262 Apr, Evening shiftChemistryMediumPurification and Characterisation of Organic Compounds10× since 2010

Complete combustion of X g of an organic compound gave 0.25 g of

\mathrm{CO_2}

and 0.12 g of

\mathrm{H_2O}

. If the % of carbon is 25% and of hydrogen is 4.89%, then X = ______

\times10^{-3}

g. (Nearest integer) (Molar mass of C, H and O are 12, 1 and 16 g mol

^{-1}

respectively.)

JEE Main 2026 Purification and Characterisation of Organic Compounds Question with Solution (2 Apr Evening shift, Q62) | JEE Arc