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Amines

Short Answer Type

61.

What would be the product of controlled oxidation of aniline with K₂Cr₂O₇ + H₂SO₄ ?

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62.

Arrange the following in order of increasing basic strength.
Aniline, ethylamine, ethane, phenol.

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63.
Why cyclohexylamine is stronger base than aniline?

In aniline the electron pair of nitrogen is delocalized due to resonance, hence, it is less available for protonation, while in cyclohexylamine no delocalization of electron pair, hence it is more available for a proton.

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64.

What happens when t-alkyl amine is oxidised with KMnO₄?

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65.

For an amine, RNH₂ write the expression for K_b to indicate its base strength.

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66. How will you prepare aniline from benzene?

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67. Write the chemical reaction of preparation of aniline from benzene ?

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68.

Write the structures of compound A.

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69.

Write the structures of compound B.
$CH subscript 3 CHO space plus space NH subscript 3 space space rightwards arrow from left parenthesis ii right parenthesis space straight H subscript 2 divided by Ni to left parenthesis straight i right parenthesis space Heat of space straight B$