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Cyclohexa -2,5-dien -1-one exists mainly in enol form. Which factor accounts for the stability of its enol form?

 

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

EASY
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IMPORTANT

Draw all the resonating structures of the following compound:

Benzene

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Draw all the resonating structures of the following compound:

Naphthalene

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Draw all the resonating structures of the following compound:

Anthracene

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Draw all the resonating structures of the following compound:

Phenanthrene

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When Lassainge extract of Methylamine react with FeSO4/ dilute H2SO4 what happens?
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What will happen during Lassaigne's test for nitrogen if the compound also contains sulphur?
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On complete combustion, 0.246 g an organic compound gave 0.198 g carbon dioxide and 0.1014 g water. Determine the percentage composition of carbon and hydrogen in the compound.
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In Dumas' method for estimation of nitrogen, 0.3 g an organic compound gave 50 mL nitrogen collected at 300 K temperature and 715 mm pressure. Calculate the percentage composition of nitrogen in the compound. (Aqueous tension at 300 K=15 mm).