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Explain Wohler's work.

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What is vital force theory?

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What are the reasons for the formation of millions of organic compounds?

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Why the organic compounds are poor conductor of electricity?

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Why the melting and boiling points of organic compounds are low.

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Point out the properties of carbon which are responsible for formation of long chains of carbon atom compounds.

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Why and how carbon completes its octet?

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What is destructive distillation of coal?

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How is coal formed? What are the different types of coal?

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Which aromatic compound is used to keep insects away from clothes?

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Why benzene and other homologous compounds of benzene are called aromatic compounds?

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What are heterocyclic compounds? Give two examples.

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Define homologous series. Pyridine

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Differentiate between homocyclic and heterocyclic compounds.

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Write classification of coal.

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Define structural formula. Draw the structural formulae of n-butane and isobutene.

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Write down the dot and cross formula of propane and n-butane?

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What is an ester group? Write down the formula of ethyl acetate.

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Define functional group with an example.

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Explain different radicals of butane.

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