Question

Choose the correct option for decreasing order of acidic strength of the

following compounds

i)Phenol
ii)p-nitrophenol
iii)picricacid
iv)p-methylphenol​

Answer 1

picricca acid - Phenol - p-methylphenol - p-nitrophenol

these Is the correct decreasing order.....xdxd

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Answer 2

Answer:

(iii) Picric Acid > (ii) p-nitrophenol > (i) Phenol > (iv) p-methyl phenol

Explanation:

• Among the given acids, picric acid is the strongest one.
• This is because of the presence of three $NO_{2}$ groups.
• The next most acidic is p-nitrophenol because of the presence of $NO_{2}$ group on the para position.
• After p-nitrophenol, the next most acidic group is phenol.
• The least acidic is p-methyl phenol because of the presence of methyl group on the para position.

Hence, the decreasing order of acidic strength of the given compounds is: (iii) Picric Acid > (ii) p-nitrophenol > (i) Phenol > (iv) p-methyl phenol.

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