Question
Explain the different methods of preparing haloakanes from alcohols.
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Match the compounds/elements given in Column I with uses given in Column II.
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Column I (Compound/element)
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Column II (Use)
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(i)
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Lanthanoid oxide
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(a)
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Production of iron alloy
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(ii)
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Lanthanoid
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(b)
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Television screen
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(iii)
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Misch metal
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(c)
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Petroleum cracking
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(iv)
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Magnesium based alloy is constituent of
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(d)
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Lanthanoid metal + iron
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(v)
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Mixed oxides of lanthanoids are employed
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(e)
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Bullets
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(f)
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In X-ray screen
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- Draw the structures of the following molecules:
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What is the freezing point of 0.4 molal solution of acetic acid in benzene in which it dimerises to the extent of $85 \%$ ? Freezing point of benzene is 278.4 K and its molar heat of fusion is $10.042 \mathrm{~kJ} \mathrm{~mol}^{-1}$.
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Explain the methods of preparation of aromatic aldehydes (benzoic aldehyde) from aromatic hydrocarbons.