JEE Main 2020 — Hydrogen Question with Solution
JEE Main 2020 (09 Jan Shift 2)
Question
of zinc is treated separately with an excess of
dilute hydrochloric acid and
aqueous sodium hydroxide.
The ratio of the volumes of evolved in these two reactions is:
dilute hydrochloric acid and
aqueous sodium hydroxide.
The ratio of the volumes of evolved in these two reactions is:
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
According to stoichiometry in both the reactions, equal number of moles of are evolved
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Hydrogen chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2020, covering the Hydrogen chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.