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Chapter 5: Problem 33
The trimer of acetaldehyde is known as (a) formalin (b) trioxane (c) paraldehyde (d) metaldehyde
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\(\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{C}^{\mathrm{O}} \sum_{\mathrm{H}}^{\mathrm{CH}_{3} \mathrm{OH}}{\mathrm{dryHCl}}(\mathrm{A}) \stackrel{\mathrm{dil.KMnO}_{4}}{\longrightarrow}(\mathrm{B}) \stackrel{\mathrm{dil} \cdot \mathrm{HCl}}{\longrightarrow}(\mathrm{C})\) The structure of (C) is (a) \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHCH}_{2} \mathrm{OH}\) (b) \(\mathrm{HOCH}_{2}-\mathrm{CHOH}-\mathrm{CHO}\) (c) \(\mathrm{OHC}-\mathrm{CH}_{2}-\mathrm{COOH}\) (d) \(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{COOH}\)
Tollens' reagent is reduced by (a) methanoic acid (b) ethanal (c) benzaldehyde (d) all the above
The reagent that can be used to distinguish between pentan-2-one and pentan-3-one is (a) \(\mathrm{Zn}-\mathrm{Hg} / \mathrm{HCl}\) (b) \(\mathrm{SeO}_{2}\) (c) \(\mathrm{I}_{2} / \mathrm{NaOH}\) (d) \(\mathrm{KMnO}_{4} / \mathrm{H}_{2} \mathrm{SO}_{4}\)
The IUPAC name of is
The product formed by the reaction of ethyl acetate with sodium ethoxide is (a) ethyl acetoacetate (b) ethyl propionate (c) Propane-2, 3-dione (d) 3-oxobutanal
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