Question

(a)

Define isomerism. Draw all possible isomers of butane.
(b)"A compound X'on combustion gives a yellow flame with lots of
smoke." What inference would you draw from this statement ?
(c)State the role of alkaline KMnO4 in the reaction involving
conversion of an alcohol to corresponding carboxylic acid.
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Answer 1

(a)Isomerism is the phenomenon in which more than one compounds have the same chemical formula but different chemical structures.

(b) The combound X is Unsaturated combound (Alkene or Alkyne.) Unsaturated combound undergo incomplete combustion and also deposits .

(c) Alkaline KMnO4 acts as a oxidising agent, It oxides Alcohol into carboxylic acid.