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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.

Test	Inference
$a$. Dil. $HCl$	Insoluble
$b$. $NaOH$ solution	Soluble
$c$. $Br_2/\text{water}$	Decolourization

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

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