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Tests for Nitric Acid

Sodium salt o...

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Sodium salt of organic acid X produces effervescence with concentrated H2SO4 . X reacts with acidified aqueous CACL2 to give white ppt. which decolourises acidic solution of KMNO4 . X is --------?

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Q. A sodium salt of an organic acid ‘X’ produces effervescence with conc.

H_{2} S O_{4}

. ‘X’ reacts with the acidified aqueous

C a C l_{2}

solution to give a white precipitate which decolourises an acidic solution of

K M n O_{4}

Q. A sodium salt of an organic acid ‘X’ produces effervescence with conc.

H_{2} S O_{4}

. ‘X’ reacts with the acidified aqueous

C a C l_{2}

solution to give a white precipitate which decolourises an acidic solution of

K M n O_{4}

Q. A colorless salt gives white precipitate with

C a C l_{2}

solution. The salt also decolorizes acidified

M n O_{4}^{-}

with effervescence. On reaction with

H_{2} S O_{4}

, the salt gives a colourless gaseous mixture containing :

Q. The gas which gives a white ppt. when reacted with

A g N O_{3}

soln. acidified with dilute nitric acid:

Q. An amorphous solid (X) burns in air to form a gas (Y) which turns lime water milky. This gas decolourises aqueous solution of acidified

K M n O_{4}

. Gas (Y) reacts with oxygen to give another gas (Z) which is responsible for acid rain. X, Y, and Z are:

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