An unknown alkene with the formula `C_7H_12` undergoes oxidation by hot alkaline `KMnO_4` and gives hepy-2, 6-dione as the nly product after acidification. Identify the alkene.

A compound A with molecular formula C_(6)H_(10) on oxidation with hot KMnO_(4) gives hexandioic acid. A is

An known alkene with formula C_(7)H_(12) on oxidation with hot alkaline KMnO_(4) yields only the following product CH_(3)-overset(O)overset(||)C-CH_(2)CH_(2)CH_(2)CH_(2)-overset(O)overset(||)C-OH What is the structure of this alkene? Strategy: C_(7)H_(12)underset((2)H_(3)O^(+))overset((1)KMnO_(4),H_(2)O,Ooverset(-)H)rarrCH_(3)overset(O)overset(||)C CH_(2)CH_(2)CH_(2)CH_(2)overset(O)overset(||)C-OH Since the oxidation cleavage leads to just one product which contains the same number of carbon atoms as the reactant, the unknown alkene must have a double bond contained in a ring. The oxidative cleavage of the double bond result in the opening of the ring. To create the ring, remove the - OH group and doubly bonded O's and finally join the carboxylic acid carbon with ketone carbon by a double bond.

An alkyne C(7)H_(12) on reaction with hot alkaline KMnO_(4) and subsequent acidification with HCl yields a mixture of The alkyne is

Compound (A)(C_(12)H_(16)) on oxidation with acideic KMnO_(4) solution gives acetone and . Identify compound (A) .

When CH_(3)[CH_(2)]_(3)C=CH is oxidised with hot alkaline KMnO_(4) the product is

A hydrocarbon C_(8)H_(14) consumes only one mole of H_(2) on catalytic hydrogenation The hydrocarbon when heated with hot and concentrated alkaline KMnO_(4) gives cyclohexanone and acetic acid (after acidification).The hydrocarbon is: