Q. Phenols undergo nitration in concentrated nitric acid to produce

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Q. Phenol reacts vigorously with sodium metal giving off

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Q. Acyl chlorides are made by reacting carboxylic acids with

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Q. Iodoform can be used as

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Q. Alkaline iodine solution is used to test

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Q. A yellow precipitate formed with methyl ketone is

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Q. CH₃CHO is an

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Q. In a positive test, yellow precipitate formed will be of

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Q. The reduction is a gain of

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Q. Gain of oxygen is known as

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Q. If one half of an equation shows oxidation and remaining half reflects reduction then we call them as

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Q. In a balanced equation, the number of electrons gain and loss must be

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Q. In Redox reactions, electrons maybe

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Q. Any specie can be reduced if the oxidation state is

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Q. The oxide state of transition elements can be changed by treating it with a suitable

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Q. The species gaining electrons will be reduced and act as

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Q. The electrical conductivity of calcium is much higher than any

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Q. Percentage of Fe⁺² can be determined by

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Q. In the process of oxidation, 20% of iron and steel is destroyed because of

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Q. The reactions which cost a lot of money are the ones which are

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