Hydrogen And Its Compounds Question 8
Question: 2 g of aluminium is treated separately with excess of dilute $ H_2SO_4 $ and excess of $ NaOH. $ The ratio of the volumes of hydrogen evolved is
Options:
A) 2:3
B) 1:1
C) 2:1
D) 1:2
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ 2Al+3H_2SO_4\to Al_2{{(SO_4)}_3}+3H_2 $
$ 2Al+2NaOH+2H_2O\to 2NaAlO_2+3H_2 $ The ratio of volumes of hydrogen evolved is 1:1.
BETA
