1.What product of the reaction below reacts with starch? Hint: an easy test for

Question

1.What product of the reaction below reacts with starch? Hint: an easy test for the presence of starch in bread is to palce a drop of iodine solution on a breadslice and observe the brown dot of iodine change to a dark purple dot

Cl2+2KI---> 2KCl+I2

2.In the production of chlorine gas it is important to have the electrodes separated from each other in order to prevent the products from mixing and reacting (you really need that chlorine to react with the starch) How is this separation achieved in the experiment performed?

Explanation / Answer

1)

I3- react with stach.

I2 released in the reaction above can react with I- present in solution to form I3- which complexes with starch and react with them

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