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Br2(l) + 2 KI(aq) → 2 KBr(aq) + I2

Explanation:

In this reaction, the solution will have a slight change in color to a different shade of Brown since Bromine and Iodine solution are both in a different shade of brown. (KI and KBr are both colorless, its the Br2 and I2 that has color)

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Bromine + Potassium iodide ➨potassium bromide + iodine

a)you would expect to see a brown solution and a black solid from the iodide

b)the reaction occurs because bromine displaces iodine as it's more reactive and has a higher oxidising power. Bromine is more reactive because it has a smaller atomic radius or less shells than iodine, so the outer electrons are closer to the nucleus. This makes it easier to gain an electron due to the stronger forces of attraction between the nucleus and outermost electrons compared to having more shells which is harder to gain.

thats how its supposed to be

2b2t

explanation:

2b2t