Question

state the colors you would observe when bromine and potassium are mixed the color at the start and the color at the end

Answer 1

Answer:

Bromine Water is is a pale yellow/orange colour. When it is added to potassium iodide solution it oxidises the iodide ion to iodine, which is also coloured - forming a brown solution Hence one might notice an intensification of colour.

Br2 + 2NaI > 2NaBr + I2

One can check whether this reaction has occurred why shaking with an equal volume of an organic solvent such as trichloromethane. If iodine is present a purple solution will be formed.

Explanation:

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