For the given reaction; CaCO₃ + 2HCl CaCl₂ + H₂O + CO₂. If 90 g CaCO₃ is added to 300 mL of HCl which contains 38.55% HCl by mass and has density 1.13 g mL⁻¹, then which of the following option is correct ? Given molar mass of H, Cl, Ca and O are 1, 35.5, 40 and 16 g mol⁻¹ respectively.

(D) 64.97 g of HCl remains unreacted

(B) 60.32 g of HCl remains unreacted

(C) 32.85 g of CaCO₃ remains unreacted

Some Basic Concepts in Chemistry: JEE Main 2026 Chemistry question

JEE Main 2026 · 28 Jan, Evening shift · Q61

JEE Main 202628 Jan, Evening shiftChemistryMediumSome Basic Concepts in Chemistry88× since 2002

For the given reaction;

\mathrm{CaCO_3 + 2HCl \longrightarrow CaCl_2 + H_2O + CO_2}

. If 90 g

\mathrm{CaCO_3}

is added to 300 mL of HCl which contains 38.55% HCl by mass and has density

1.13\ \mathrm{g\,mL^{-1}}

, then which of the following option is correct ? Given molar mass of H, Cl, Ca and O are 1, 35.5, 40 and 16

\mathrm{g\,mol^{-1}}

respectively.

JEE Main 2026 Some Basic Concepts in Chemistry Question with Solution (28 Jan Evening shift, Q61) | JEE Arc