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Categories  >>  Sciences  >>  Chemistry  >>  Organic Chemistry
 
 


 

 
 Organic Chemistry interview questions  Organic Chemistry Interview Questions
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 Physical Chemistry interview questions  Physical Chemistry Interview Questions
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 Chemistry AllOther interview questions  Chemistry AllOther Interview Questions
Question 
What is the purpose of a 2.4 DNP test?
 Question Submitted By :: Swapna
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is the purpose of a 2.4 DNP test?
Answer
# 1		 
To confirm the presence of Carbonyl carbon in a compound.  
       Compounds containing carbonyl carbon(s) gives orange,
yellow or red precipitate when shaken with a solution of 2,4
DNP in ethanol containing few drops of conc. H2SO4.
 
Is This Answer Correct ?    4 Yes 0 No
Priti.rannot
 
  Re: What is the purpose of a 2.4 DNP test?
Answer
# 2		 
Addition compounds of aldehydes and ketones with 2.4 DNP 
are crystalline solids and have sharp melting point . 
hence they are used for identification of aldehydes and
ketones.
 
Is This Answer Correct ?    1 Yes 0 No
Jaydeep Bijlani
 
 
 
  Re: What is the purpose of a 2.4 DNP test?
Answer
# 3		 
to seperate carbonyl compounds from non carbonyl 
compounds.this is used seperation text.
 
Is This Answer Correct ?    0 Yes 0 No
Ch.siva Prasad
 

 
 
 
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For more Organic Chemistry Interview Questions Click Here 
 
 
 
 
 
   
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