(CH3)2C=C(CH3)2 (ii) Draw the skeletal formula of the organic product of the reaction of this compound with cold, dilute, acidified manganate(VII) ions. (iii) Name the organic product of the reaction of this compound with hot, concentrated, acidified manganate(VII) ions. (iv) Draw the structure of part of a molecule of the addition polymer formed from this compound, showing exactly three repeat units.