Question
Explain the mechanism of rusting of iron.

Answer

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(a) Give plausible explanation for each of the following:
i. Why are amines less acidic than alcohols of comparable molecular masses?
ii. Why are primary amines highest boiling than tertiary amines?
iii. Why are aliphatic amines stronger bases than aromatic amines?
(b) Complete the following reactions:
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  3. Orange colour of Cr2O72– ion changes to yellow when treated with an alkali. Why?
  1. Chemistry of actinoids is complicated as compared to lanthanoids. Give two reasons.
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