Reactions for propene with given reagents is as follows:

Option (i)

Option (ii)

Propene when treatment with strong oxidation agent in acidic condition gives acetaldehyde and formaldehyde mixture as a product.

Option (iii)

Propene oxidation under basic medium using potassium permanganate gives propane-1,2-diol.

Option (iv) treatment of hydronium ion with propene gives alcohol.

Option (v) propene in reaction with diborane gives propylborane as an intermediate which on oxidation with alkaline peroxide gives propan-1-ol.