Q. Which of the following liberates hydrogen on reaction with dilute $H_{2}{SO}_{4}?$
A) Al
B) Fe
C) Cu
D) Hg
Explanation
(a)
$2Al + dil\ .H_{2}{SO}_{4} \rightarrow {Al}_{2}{SO}_{4} + H_{2} \uparrow$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.