Hydrogenation is done of hydrogen A of unsaturated hydrocarbon on addition of H_(2). Ozonolysis of A gives acetone, acetaldehyde and propane-1, 3-diol. Give the structure and name of X ?

Hydrogenation is done of hydrogen A of unsaturated hydrocarbon on addi

1.	Hydrogenation is done of hydrogen A of unsaturated hydrocarbon on addition of H_(2). Ozonolysis of A gives acetone, acetaldehyde and propane-1, 3-diol. Give the structure and name of X ?
Answer» Solution :(i) On hydrogenation of A, 2 moler of `H_(2)` is added. Therefore in A, there are `2pi`-bond therefore in A there is 1 double bond and 1 triple bond. (ii) OZONOLYSIS of A gives three product. `underset("Acetone")overset((a))(CH_(3)COCH_(3))+underset("Acetaldehyde")overset((b))(CH_(3)CHO)+ overset((c))(CHOCH_(2)CHO)` No. of carbon `"3+2+3=8"` (III) From above PRODUCTS, A is diene and (a), (b) and (c) has double bonds reacts with X, STRUCTURE is as follows 2-methyl hepta-2, 5-diene. Formed product : `(H_(3)C-overset(CH_(3))overset(\|)(C))/((a))=(CH-CH_(2)-CH)/((c))=(CH-CH_(3))/((b))` Hydrocarbon (A)