Biomolecules Question 89
Question: A compound of mol. wt. 180 is acetylated to give a compound of mol. wt. 390. The number of amino groups in the initial compound is
[KCET 1996]
Options:
A) 2
B) 4
C) 5
D) 6
Show Answer
Answer:
Correct Answer: C
Solution:
Difference in mass of compound = 390 - 180 = 210 wt. of $ CH_3CO $ - group is = 43
Therefore no. of $ -NH_2 $ group = $ \frac{210}{43}=4.88=5 $ .