How many of the following are more acidic than $H C O O H$ ?
Acetic acid, Picric acid, Hydrogen chloride, Hydrogen cyanide, Sodium carbonate, p-nitrophenol, p-chlorophenol, p-nitrobenzoic acid and p-chlorobenzoic acid.

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Solution

Phenol is less acidic than carboxylic acid however presence of three nitro group at ortho and para position makes picric acid even more stronger than formic acid.

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Identify the odd one out and justify.

(a) Chloride, nitrate, hydride, ammonium

(b) Hydrogen chloride, sodium hydroxide, calcium oxide, ammonia

(d) Ammonium chloride, sodium chloride, potassium nitrate, sodium sulphate

(e) Sodium nitrate, sodium carbonate, sodium sulphate, sodium chloride

(f) Calcium oxide, magnesium oxide, zinc oxide, sodium oxide.

(g) Crystalline blue vitriol, crystalline common salt, crystalline ferrous sulphate, crystalline sodium carbonate.

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p-toluic acid, p-hydroxybenzoic acid, acetic acid, formic acid, salicylic acid, phthalic acid, maleic acid:

How will you prepare the following compounds from benzene ? You may use any inorganic reagent and any organic reagent having not more than one carbon atom.

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Identify the acid and base used in the formation of the following salts.

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b. SODIUM HYDROGEN CARBONATE

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Q. A solution of m-chloroaniline, m-chlorophenol, m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of

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How many of the following are more acidic than HCOOH? Acetic acid, Picric acid, Hydrogen chloride, Hydrogen cyanide, Sodium carbonate, p-nitrophenol, p-chlorophenol, p-nitrobenzoic acid and p-chlorobenzoic acid.

Phenol is less acidic than carboxylic acid however presence of three nitro group at ortho and para position makes picric acid even more stronger than formic acid.

How many of the following are more acidic than $H C O O H$ ?
Acetic acid, Picric acid, Hydrogen chloride, Hydrogen cyanide, Sodium carbonate, p-nitrophenol, p-chlorophenol, p-nitrobenzoic acid and p-chlorobenzoic acid.