LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
45 views
in Chemistry by (70.1k points)
closed by
Which of the following is laboratory preparation of dihydrogen?
A. `3Fe + 4H_(2)O(steam) rarr Fe_(3) O_(4) + 4H_(2)`
B. `2Na + 2H_(2)O rarr Ca(OH)_(2) + 2H_(2)`
C. `CaH_(2) + 2H_(2)O rarr Ca (OH)_(2) + 2H_(2)`
D. `Zn + H_(2)SO_(4)(dil.) rarr ZnSO_(4) + H_(2)`

1 Answer

0 votes
by (58.9k points)
selected by
 
Best answer
Correct Answer - D
In laboratory, hydrogen gas is prepared by action of dilute `H_(2)SO_(4)` on granulated zinc. `Zn+H_(2)SO_(4)(dil.)to ZnSO_(4)+H_(2)`

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

...