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NEET 2026, Chemistry Q10: Qualitative and Quantitative Analysis

NEET2026Chemistry
Q.

During Lassaigne’s test, the elements present in an organic compound are converted from :

  1. A

    ionic form to ionic form

  2. B

    covalent form to ionic form

  3. C

    ionic form to covalent form

  4. D

    covalent form to covalent form

Solution

In Lassaigne’s test, the organic compound is fused with sodium metal. The covalently bonded elements (N, S, halogens) in the organic compound are converted to their ionic forms (NaCN, NaS, NaX), which can then be detected by aqueous tests.

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