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For the given reaction: CaCO 3 + 2HCl → CaCl 2 + H 2 O + CO 2 If 90g CaCO 3 is added to 300 mL of HCl which contains 38.…

Q1

For the given reaction:

CaCO3 + 2HCl → CaCl2 + H2O + CO2

If 90g 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.

[JEE Main 2026, 28 Jan (Shift 2)]

a

64.97 g of HCl remains unreacted

b

60.32 g of HCl remain unreacted

c

97.30 g of HCl reacted

d

32.85 g of CaCO3 remains unreacted

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