Q. The colored compounds which are formed on the addition of phenol to diazonium ion are called

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Q. Due to the presence of lone pair of electrons on nitrogen atom amines and ammonia acts as

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Q. Nitrous acid is made in test tube because it is

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Q. The reaction in which diazonium ion reacts with an alkaline solution of phenol to produce azo dye is called

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Q. Some primary amines do not have NH₂ group at the end and are indicated by

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Q. Reduction of nitrobenzene will produce

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Q. The classes of amines include

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Q. Ammonia and amides will produce salts on reacting with

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Q. A primary amine is made from ammonia molecule with its H atom replaced by

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Q. Phenyl amine reacts with nitrous acid (HNO₂) to form

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Q. Ethylamine (C₂H₇N) is a stronger base, as it is by nature electron

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Q. Number of moles of substance can be determined by

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Q. Avogadro's constant is the number

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Q. Avogadro's constant is the number which was first calculated by

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Q. The symbol used to denote Avogadro's constant is

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Q. Gmol⁻¹ is the standard unit for

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Q. The number of atoms of each element in a particular compound is represented through

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Q. 1 mole of a sodium chloride (NaCl) has number of sodium ions (Na⁺) equal to

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Q. Halogenoarenes are banned due to its

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Q. Nitration of a benzene molecule shows the reaction of

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