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Acyl Substitution Revisited

Order of decr...

Question

Order of decreasing acidity of the following is

(I) HCOOH

(II) ${C H}_{3} C O O H$

(III) ${C l}_{2} C H C O O H$

(IV) ${C F}_{3} C O O H$

A

IV III II I

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B

IV III I II

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C

III IV II I

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D

I IV II III

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Solution

The correct option is B
IV III I II

Acidity $α$ - I effect

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Similar questions

Order of decreasing acidity of

$(i) H C O O H (i i) C H_{3} C O O H (i i i) C l_{2} C H C O O H (i v) C F_{3} C O O H i s$

Q. Consider the acidity of the carboxylic acids:
(i)

C_{6} H_{5} C O O H

O - N O_{2} C_{6} H_{4} C O O H

p - N O_{2} C_{6} H_{4} C O O H

m - N O_{2} C_{6} H_{4} C O O H

Which of the following order is correct?

Q. The decreasing order of priority for the following functional groups is
I. -COOH
II.

- S O_{3} H

III. -COOR
IV. -COCl

Q. Arrange the following oxides in the decreasing order of their acidic strengths.

I . Z n O

I I . K_{2} O

I I I . P_{2} O_{5}

I V . M g O

Q. What will be the correct order of

S N_{2}

E_{2}

ratio for the %yield of the product of the following halide?

a) III > IV > II > I
b) III > II > IV > I
c) I > III > IV > II
d) II > I > III > IV

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