Hydrogen And Its Compounds Question 15
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
Options:
A) 1:1
B) 1:2
C) 2:1
D) 9:4
Show Answer
Answer:
Correct Answer: A
Solution:
[a] $ Zn+H_2SO_4\to ZnSO_4+H_2 $
$ Zn+2NaOH\to Na_2ZnO_2+H_2 $
$ \therefore $ Ratio of volumes of $ H_2 $ evolved is 1 : 1
BETA
