Which of the following methods is used to che | vedclass

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(C) The purity of an organic compound can be verified using both chromatography and spectroscopy. Chromatography (such as thin-layer chromatography or

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Both $A$ and $B$

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(C) The purity of an organic compound can be verified using both chromatography and spectroscopy. Chromatography (such as thin-layer chromatography or gas chromatography) is used to separate components and check for the presence of impurities. Spectroscopy (such as $IR$,$NMR$,or $UV-Vis$) is used to confirm the identity and purity of the compound by analyzing its structural features. Therefore,both methods are essential for characterization and purity testing.

Column $-I$	Column $-II$
$(i).$ Lassaigne's test	$(a).$ By sodium peroxide
$(ii).$ Test for nitrogen	$(b).$ Acidify with acetic acid
$(iii).$ Test for sulphur	$(c).$ Acidify with conc. sulphuric acid
$(iv).$ Test for phosphorus	$(d).$ Fusion with sodium

Which of the following methods is used to check the purity of an organic compound?

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