0 votes
15 views
in Chemistry by (72.0k points)
closed by
Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid, whereas copper does not. Explain, why?

1 Answer

0 votes
by (71.8k points)
selected by
 
Best answer
Zinc (Zn) is placed above hydrogen in the activity series. It therefore, displaces hydrogen from dilute HCl.
`Zn (s) + 2HCl (aq) to ZnCl_(2) (aq) + H_(2)(g)`
Copper is placed below hydrogen and therefore, does not react with dilute HCl.
`Cu (s) + HCl (aq) to` No action.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...