Hydrogen And Its Compounds Question 107
Question: 20 volume $ H_2O_2 $ solution has a strength of about
Options:
A) 30%
B) 6%
C) 3%
D) 10%
Show Answer
Answer:
Correct Answer: B
Solution:
$ \because $ 22.4 litre $ O_2 $ at N.T.P. obtained by 68 gm of $ H_2O_2 $ \ 1 litre $ O_2 $ at N.T.P. obtained by $ \frac{68}{22.4} $ gm of $ H_2O_2 $ \ 20 litre $ O_2 $ at N.T.P. obtained by $ \frac{68}{22.4}\times 20 $ gm of $ H_2O_2=60.71gm $ of $ H_2O_2 $ \ 1000 ml $ O_2 $ at N.T.P. obtained by = 60.71 gm of $ H_2O_2 $ \ 100 ml $ O_2 $ at N.T.P. obtained by $ =\frac{60.71}{1000}\times 100=6.71% $
BETA
