By acidic hydrolysis - CN group changes to - COOH given I-CH 3- CH - CHO - H 3 O - CH 3- CH - CHOIn which cases preference of nomenclature changes-A- IB- I- IIC- I- IIID- II - III

The correct option is A I CH_3 CN|2CH 1CHO H_3O^+ CH_3 1COOH|2CH CHO on the reactant side CHO is given priority on the product side COOH is priority over ...

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Byju's Answer

Standard XII

Chemistry

Ozonolysis

By acidic hyd...

Question

By acidic hydrolysis $- C N$ group changes to $- C O O H$ given

I. $C H_{3} - C H | C N - C H O H_{3} O^{+} - --- \to C H_{3} - C H | C O O H - C H O$

II. $C H_{3} - C H | O H - C N H_{3} O^{+} - --- \to C H_{3} - C H | O H - C O O H$

III. $C H_{3} - O | | C - C N H_{3} O^{+} - --- \to C H_{3} - O | | C - C O O H$

In which case(s) preference of nomenclature changes?

I, II

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I, III

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II , III

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Solution

The correct option is D
I

$C H_{3} - 2 C H | C N - 1 C H O H_{3} O^{+} - --- \to C H_{3} - 2 C H | C O O H 1 - C H O$

on the reactant side $- C H O$ is given priority on the product side $- C O O H$ is priority over $- C H O$ .

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Similar questions

Basic strength of

(i) $H_{3} ¯ C H_{2}$ (ii) $H_{2} C = ¯ C H$ (iii) CH ≡ $¯ C$ is in the order

Q. Basic strength of

C H I \equiv ⊖ C, C H_{2} = I I ⊖ C H, C H_{3} - I I I ⊖ C H_{2}

will be in order

Q. Place the following in the correct order of acidic nature

C H \equiv C - C O O H; C H_{2} = C H - C O O H; C H_{3} C H_{2} C O O H

(I) (II) (III)

Q. Arrange acidity of given four compounds in decreasing order:
(I)

C H_{3} C O O H

(II)

C H_{3} - C N

(III)

C H \equiv C H

(IV)

C H_{3} - C H O

Select the correct answer from the codes given below.

Q. II.

{C H}_{2} = C H C O O H △ - \to {C H}_{2} = {C H}_{2}

III.

C H_{3} C H (C O O H)_{2} △ - \to C H_{3} C H_{2} C O O H

Consider the above given reactions,
In which of the cases, parent compound loses its functional group in preference :

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By acidic hydrolysis −CN group changes to −COOH given I.CH3−CH|CN−CHO H3O+−−−−→ CH3−CH|COOH−CHO II.CH3−CH|OH−CN H3O+−−−−→ CH3−CH|OH−COOH III.CH3−O||C−CN H3O+−−−−→ CH3−O||C−COOH In which case(s) preference of nomenclature changes?

The correct option is D I CH3−2CH|CN−1CHO H3O+−−−−→ CH3−2CH|COOH1−CHO on the reactant side −CHO is given priority on the product side −COOH is priority over −CHO.

The correct option is D
I

$C H_{3} - 2 C H | C N - 1 C H O H_{3} O^{+} - --- \to C H_{3} - 2 C H | C O O H 1 - C H O$

on the reactant side $- C H O$ is given priority on the product side $- C O O H$ is priority over $- C H O$ .