Hydrogen And Its Compounds Question 187
Question: When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide solution the ratio of volumes of hydrogen evolved is
[CPMT 1991]
Options:
A) 1 : 1
B) 1 : 2
C) 2 : 1
D) 9 : 4
Show Answer
Answer:
Correct Answer: A
Solution:
$ Zn+H_2SO_4\to ZnSO_4+H_2 $
$ Zn+2NaOH\to Na_2ZnO_2+H_2 $ \ Ratio of volumes of $ H_2 $ evolved is 1:1.
BETA
