MEDIUM
JEE Advanced
IMPORTANT
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In an ester molecule there are three C-O bonds,Question Image What do you expect regarding their relative bond length?

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Important Questions on Carboxylic Acids and Their Derivatives

MEDIUM
JEE Advanced
IMPORTANT

The reason for greater reactivity of acetyl chloride for the nucleophilic substitution than methyl chloride is due to:

(i) Capability of oxygen to acquire electrons.
(ii) Difference in the nature of carbon of the intermediate tetrahedral in case of acetyl chloride and a pentavalent in case of methyl chloride.
(iii) Difference in attack of nucleophile on the compound.

(iv) Better leavability of -COCl than -Cl.

MEDIUM
JEE Advanced
IMPORTANT
Which of the following compound undergoes Claisen condensation in presence of C2H5ONa ?
(i) CH3CH2COOC2H5
(ii) CH32CHCOOC2H5
(iii) ClCH2COOC2H5
HARD
JEE Advanced
IMPORTANT

Consider the following statements for hydrolysis reaction:

Question Imageis more reactive than C6H5COOC2H5

Question Image is more reactive than Question Image

Question Image is more reactive than Question Image 

Of these the correct statements are:-

 

HARD
JEE Advanced
IMPORTANT
An organic compound XC4H8O2 gives a positive test with NaOH and phenolphthalein. Structure of X will be:
EASY
JEE Advanced
IMPORTANT
Which one of the following esters is the most reactive for saponification?
MEDIUM
JEE Advanced
IMPORTANT
Which of the following esters have the most acidic α -hydrogen atoms?