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mixas84 [53]
3 years ago
13

Unknown halogen X2 was added to each of two test tubes which contained aqueous NaCl and aqueous NaI, respectively. When hexane w

as added to the test tubes, an orange color developed in the top layer of the first test tube, while purple developed in the second.
a. Identify X2.
b. Write a balanced equation for each reaction which occurred.
Chemistry
1 answer:
weeeeeb [17]3 years ago
7 0

Answer:

Br_2

Explanation:

The compound X_2 is Br_2.

The reaction included are:

Br_2+NaCl--> No\ reaction  (because  bromine is less reactive than chlorine)

But , because of hexane the solution get dilute and its color changes to orange.

Now, NaI is added and we know Br is more reactive than I.

Therefore it replace it.

Reaction: Br_2+NaI-->NaBr+I_2

Purple color develop due to formation of Iodine.

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