Analytical Chemistry Question 209
Question: In Kjeldahl’s method for the estimation of $ {N_2} $ , potassium sulphate and copper sulphate are used. On the basis of their functions which of the following statement(s) is/are correct-
I. Potassium sulphate raises the bpt. And ensures complete reaction. II. Copper sulphate acts as catalyst. III. Potassium sulphate acts as catalyst and copper sulphate raises the bpt.
Options:
A) Only III is correct
B) I and II are correct
C) Only II is correct
D) None is correct
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ K_2SO_4 $ raises the bpt. and ensure complete reaction and $ CuSO_4 $ acts as catalyst.
BETA
