a. Benzoic acid, Phenol, Picric acid, Salicylic acid (pka values). b. Acetaldehyde, Acetone, Methyl tert butyl ketone (reactivity towards NH2OH).

Monjur Alahi

Arrange the following in the increasing order of their property indicated:

a. Benzoic acid, Phenol, Picric acid, Salicylic acid (pka values).

b. Acetaldehyde, Acetone, Methyl tert butyl ketone (reactivity towards NH2OH).

c. ethanol, ethanoic acid, benzoic acid (boiling point)


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Salim Ahmed Kawsar

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(a) Picric acid < salicylic acid < benzoic acid

(b) Methyl tert – butyl ketone < acetone< Acetaldehyde

(c) ethanol < ethanoic acid < benzoic acid (boiling point of carboxylic acids is higher than alcohols due to extensive hydrogen bonding , boiling point increases with increase in molar mass)

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