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Professor & HoD Department of Pharmaceutical Chemistry, JSS College of Pharmacy, (Constituent College, JSS Academy of Higher Education &Research-Deemed to be University, Mysuru) Ooty-643 001, The Nilgiris, Tamilnadu,INDIA The author has about 23 years of teaching and research experience. The Author has more than 110 research publications in reputed National and International journals and has H-index 16 by scopus. He has also published 9 books. He is a recognized research guide for Ph.D in JSS Academy of Health Education and Research and He served as editorial member and reviewer in many reputed National and International journals. He is the winner in Drug Discovery Hackathon-2020 for Covid-19 Drug discovery organized by Govt of India and also received a Research grant of 14.35 lakhs in phase-II research. He is nominated as BOS member in various universities. He has organized many national and International seminar/ workshop/ Conferences etc sponsored by various funding agencies.

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Monday, April 1, 2019

Pharm.D_POC_Carboxylicacid Derivatives_MCQ

Pharm.D_POC_Carboxylicacid Derivatives_MCQ

1.The characteristic reactions of carboxylic acids is
A)  Electrophilic addition   
B) Electrophilic substitution
C) Nucleophilic addition   
D) Nucleophilc substitution.

2.Conversion of a carboxylic acid to an ester is known as
 A) Reduction     
 B) Oxidation
 C) Esterification     
 D) Polymerization

3.  The products of the reaction of a carboxylic acid and an alcohol would be
 A) Ketone & water     
 B) Amide & water
 C) Acid chloride & water   
 D) Ester & water

4.Carboxylic acid can be prepared by
A) Hydrolysis of nitriles   
B) Hydrolysis of esters 
C) Oxidation of Aldehydes 
D) All the above

5.The presence of electron-releasing alkyl groups in carboxylic acid -------- the acidity.
A) Increase   
B) Decrease 
C) Neutralize   
D) No change

6.Which of the following carboxylic acid is more acidic.
A) Formic acid   
B) Acetic acid 
C) Propionic acid   
D) Butanoic acid

7.One of the following is not a carboxylic acid derivative
A) Esters       
B) Amides 
C) Aldehydes     
D) Anhydrides

8.An ether is more volatile than an alcohol having the same molecular formula. This is due to 
A) dipolar character of ethers   
B) alcohols having resonance structures
C) inter-molecular hydrogen bonding in ethers
D) inter-molecular hydrogen bonding in alcohols

9.Among the following carboxylic acids which is more acidic 
a) Chloro acetic acid 
b) Fluoro acetic acid 
c)  Bromo acetic acid 
d) Iodo acetic acid 

10.Among the following carboxylic acids which is more acidic 
a) Acetic acid 
b) Chloro acetic acid 
c) Dichloro acetic acid  
d) Trichloro acetic acid   

11.Which among the following is not a functional derivative of carboxylic acid 
a) Amide
b) Ester
c) Anhydride 
d) Amine

12.Carboxylate ion stabilises via 
a) Inductive effect 
b) Electromeric effect
c) Resonance effect 
d) Hyperconjugation effect 


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Organic Intermediates- Nitrenes