The basic group of an organic ester looks like :

- C O -

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- C O O -

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- C H O

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- C O O H -

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- O -

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Solution

The correct option is B $- C O O -$
The basic group of an organic ester looks like $- C O O -$ or $- C | | O - O -$ .
An example of organic ester is ethyl acetate $C H_{3} - C | | O - O - C H_{2} C H_{3}$ .

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Similar questions

The functional group present in propanal is :
(a) $- O H$ (b) $- C O O H$ (c) $- C O -$ (d) $- C H O$

O H, C O O H < C H O < O {C H}_{3}

C H_{3} - C H_{2} - C O O - C H_{3}

C H_{3} - C H_{2} - C O O H

C H_{3} - C H_{2} - C O - C H_{3}

C H_{3} - O H

C H_{3} - C H_{2} - C H_{2} O H

C H_{3} - C O O H

C H_{3} - C O O - C H_{2} - C H_{2} - C H_{3}

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