Question

1) The colour of iodine disappears in the reaction between vegetable oil
and iodine.
give me ans for 2 marks​

Answer 1

Answer:

Addition reaction takes place between the unsaturated oils which have Double bonds between the carbon present in them and Iodine resulting in the disappearance of colour of Iodine.

Most of the vegetable oils are saturated because the carbon compounds present in the oils.. have Double bonds between them and more saturation less time taken for disappearance off colour.

Explanation:

when iodine are treated with unsaturated alkene it react with the doube bond of alkene and form alkule halide a saturated compound and the color of iodine from dark black disappears to colorless.