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এসিডের তীব্রতার ক্রম কোনটি সঠিক?

C F_{3} C O O H > C C l_{3} C O O H > C H C l_{2} C O O H

C F_{3} C O O H > C C l_{2} C O O H > C F_{3} C O O H

C F_{2} C l C O O H > C C l_{3 -} C O O H > C C l_{3} C O O H

C F_{3} C O O H > C F_{3 -} C O O H > C H_{2} C l C O O H

ANS : 1

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