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  • I have a doubt, kindly clarify. - Organic Compounds containing Oxygen - JEE Main

The correct order of increasing acid strength of the compounds

(A)\; \; CH_3CO_2H

(B)\; \; MeOCH_2CO_2H

(C)\; \; CF_3CO_2H

(D)\; \;  

is

  • Option 1)

    B<D<A<C

  • Option 2)

    D<A<C<B

  • Option 3)

    D<A<B<C

  • Option 4)

    A<D<C<B

 

Answers (1)

As we learnt in 

Effects of substituents on acidity of phenols -

1.  Electron withdrawing group like   -NO_{2},-CN,-X,-CHO

2.  Electron donating group like    -R,-OR,-NH_{2}

- wherein

1.  Increase the acidic strength of phenol.

2.  Decrease the acidic strength of phenol.

 

 Electron withdrawing group increases the acid strength and electron donating group decreases the acid strength.

D < A < B < C


Option 1)

B<D<A<C

This option is incorrect

Option 2)

D<A<C<B

This option is incorrect

Option 3)

D<A<B<C

This option is correct

Option 4)

A<D<C<B

This option is incorrect

Posted by

Sabhrant Ambastha

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