Zinc reacts with hydrochloric acid to give hydrogen and zinc chloride. The volume of hydrogen gas pr — JEE Mains Chemistry Past Papers Chemistry Question
Question
Zinc reacts with hydrochloric acid to give hydrogen and zinc chloride. The volume of hydrogen gas produced at STP from the reaction of 11.5 g of zinc with excess HCl is _____________L (Nearest integer) (Given: Molar mass of Zn is 65.4g mol–1 and Molar volume of H2 at STP = 22.7 L) NTA (4) RESO. (4) | JEE(Main) 2023 | DATE : 31-01-2023 (SHIFT-1) | PAPER-1 | CHEMISTRY PAGE # 11
Answer: D
💡 Solution & Explanation
Zn + 2HCl ZnCl2 + H2. No. of moles of Zn = . 5 . = No. of moles of H2 No. of H2 liberated = 0.176 × 22.7 Lt. = 3.99 L 4 Lt.
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