(a) Hypochlorous acid and oxygen atom
(b) Turns colourless ; chlorine water has HOCl which is a bleaching agent
Dckwach answered the question on November 7, 2017 at 13:34
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A student was asked to determine the percentage of zinc metal in a mixture of zinc metal and zinc oxide. He reacted the mixture with excess hydrochloric acid and accurately collected the gas evolved, which was then used to calculate the amount of zinc in the mixture.
(a) Name the gas that was evolved
(b) Apart from the reaction liberating the gas write a balanced equation for the other reaction that took place.
(c) Why would dilute nitric acid not suitable for this reaction?
Date posted: November 4, 2017. Answers (1)
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Date posted: November 4, 2017. Answers (1)
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Date posted: November 4, 2017. Answers (1)
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Date posted: November 4, 2017. Answers (1)
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Date posted: November 4, 2017. Answers (1)
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(b) During the electrolysis of molten aluminium oxide, write the equations at the;
Anode -
Cathode -(Solved)
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(b) During the electrolysis of molten aluminium oxide, write the equations at the;
Anode -
Cathode -
Date posted: November 3, 2017. Answers (1)
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Date posted: November 3, 2017. Answers (1)
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Date posted: November 3, 2017. Answers (1)