331.Account for the following acidic strength order:
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332.Arrange the following compounds in increasing order of their property as indicated: CH3CH2CH(Br)COOH, CH3CH(Br)CH2COOH, (CH3)2CHCOOH, CH3CH2CH2COOH (acidic strength)
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333.Arrange the following compounds in increasing order of their property as indicated: Benzoic acid, 4-Nitrobenzoic acid, 3, 4-Dinitrobenzoic acid, 4-Methoxybenzoic acid (acid strength)
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334.Arrange the following compounds in increasing order of their property as indicated:
335.An organic compound contains 69.77% carbon, 11.63% hydrogen and rest oxygen. The molecular mass of the compound is 86. It does not reduce Tollen’s reagent but forms an addition compound with sodium hydrogensulphite and give positive iodoform test. On vigorous oxidation it gives ethanoic and propanoic acid. Write the possible structure of the compound.
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Short Answer Type
336.Although phenoxide ion has more number of resonating structures than carboxylate ion, carboxylic acid is a stronger acid than phenol. Why?
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337.What is meant by the following terms? Give an example of the reaction in each case.
Cyanohydrin
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338.What is meant by the following terms? Give an example of the reaction in each case. Acetal
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339.What is meant by the following terms? Give an example of the reaction in each case. Semicarbazone
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340.What is meant by the following terms? Give an example of the reaction in each case. Aldol
Short Answer Type
Long Answer Type
