Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
An organic compound (P) having molecular mass 180 is acylated with CH3COCl to get a new compound with molecular mass 348. The number of amino groups present per molecule of compound (P) is
ChemistrySome Basic Concepts of ChemistryJEE Main
Solution:
1319 Upvotes Verified Answer
The correct answer is: 4
RNH2M+CH3COClRNHCOCH3M+42+HCl
If the increase in molecular mass is 42, the reactant has one NH2 group.
Actual increase in molecular mass =348-180=168
Number of NH2 groups =16842=4

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.