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NEET UG Organic Chemistry — practice questions

18 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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Choose the correct statementIn the following sets of compounds, the one which contains only medicinal compounds isThe $$\mathrm{pK}_{\mathrm{a}_1}$$ and $$\mathrm{pK}_{\mathrm{a}_2}$$ of an amino acid are 2.3 and 9.7 respectWhich of the following statements is not true?The Lassaigne's extract is boiled with conc. $$\mathrm{HNO_3}$$ while testing for halogens. By doing so itAbove reaction is an example of ![](https://qallery.app/diagrams/v2_248e9aa17a93/img-038.jpeg)The molecular formula of hexamethylene diammine adipate (monomer of nylon-66) isWhich of the following compounds is resistant to oxidation by periodic acid (HIO₄)?What will be the product in the following reaction ![](https://qallery.app/diagrams/v2_248e9aa17a93/img-034.jAn alkene, on ozonolysis gives formaldehyde and acetaldehyde. The alkene isBenzene on treatment with a mixture of conc. $$\mathrm{HNO_3}$$ and conc. $$\mathrm{H_2SO_4}$$ at $$100^{\circ$$\mathrm{CH_3-CH=CH-CH=CH-C_2H_5}$$ isWhich of the following resonating structures of 1-methoxy-1, 3-butadiene is least stableThe correct IUPAC name of the compound, ![](https://qallery.app/diagrams/v2_248e9aa17a93/img-033.jpeg)Nitrobenzene gives hydroxylamine by- ![](https://qallery.app/diagrams/v2_46c8b1655a73/img-013.jpeg)Given the diazonium salt shown, which product is formed on treatment with $NaNO_2$, Cu and heat? ![](https://In the following aromatic compound, bromination in presence of $Fe$ occurs preferentially at which labelled poOrder of boiling points of the given compound is: (1) pentan-1-ol (2) butan-1-ol (3) butan-2-ol (4) propan-1-