In Lassaigne's test, the organic compoun...

In Lassaigne's test, the organic compound is first fused with sodium metal The sodium metal is used because

The melting point of sodium metal is low

Sodium metal reacts with elements present in organic compounds to form inorganic compounds.

All sodium salts are soluble in water

All sodium salts are not soluble in water

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The correct Answer is:

A, B, C

Sodium metal is used in Lassaigne.s test due to melting point of sodium metal is law and sodium metal reacts with elements present in organic compound to form inorganic compound all sodium salts and soluble in water.

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Nitrogen, sulphur and halogens are tested from the sodium fusion extract of the organic compound which is commonly known as Lassaigne's extract. For preparing Lassaigen's extract, a small quanty of the organic compound is fused with sodium metal in a fusion tube. The red tube is broken in distilled water, boiled and filtered. This filtrate is known as Lassaigne's extract or sdodium fusion extract. In the process of testing elements in Lassaigne's a test, which of the following reactions do not occur.

AAKASH SERIES-PRACTICAL CHEMISTRY-LEVEL -II (Lecture Sheet) (EXERCISE-I) (Single or more than one option correct)

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