(i) Yellow (ii) White
(iii) Red-brown (iv) Yellow
sharon kalunda answered the question on May 20, 2019 at 10:27
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(a) What condition is necessary for this reaction to take place?
(b) Identify the bonds which are broken and those...(Solved)
Chlorine reacts with methane as shown below.
(a) What condition is necessary for this reaction to take place?
(b) Identify the bonds which are broken and those that are formed.
(i) Bonds broken.
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Date posted: May 20, 2019. Answers (1)
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On the grid provided below, sketch the energy level diagram for the reverse reaction.
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Date posted: May 20, 2019. Answers (1)
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(ii) Name compound R
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(iii) Write equation for the reaction in step II
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Date posted: May 20, 2019. Answers (1)
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Date posted: May 20, 2019. Answers (1)
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Date posted: May 20, 2019. Answers (1)
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Date posted: May 20, 2019. Answers (1)
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Date posted: May 20, 2019. Answers (1)
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(a) Identify gas X
(b) Complete the setup to show how gas X is dried and collected.
(c) Write an equation for the above reaction.
(d) An aqueous solution of zinc sulphate is electrolysed using platinum electrodes. State
and explain what happens to the concentration of zinc sulphate
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Date posted: May 20, 2019. Answers (1)
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(ii) Butan –2-ol
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Date posted: May 20, 2019. Answers (1)
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Date posted: May 20, 2019. Answers (1)
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(ii) Methanoic acid.
(b) Write the equation for the reaction between methanoic acid and sodium hydroxide
(c) Name the product formed when...(Solved)
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(i) Methanol.
(ii) Methanoic acid.
(b) Write the equation for the reaction between methanoic acid and sodium hydroxide
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(d) State one condition necessary for the reaction in (c) to take place
Date posted: May 20, 2019. Answers (1)
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Date posted: May 20, 2019. Answers (1)
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The table below gives reduction potentials obtained when the half-cells for each of the
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electrode.
(a) What is element C likely to be? Give a reason.
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Date posted: May 20, 2019. Answers (1)
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Date posted: May 20, 2019. Answers (1)
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Study the diagram below and answer the questions that follow.
When some hydrogen chloride gas is allowed into water and the mixture stirred, the bulb lights and gasses X and Y are formed.
(a) Name
(i) Gas X
(ii) Gas Y
(b) Explain why the bulb does not light before the chloride gas is let into the water
Date posted: May 20, 2019. Answers (1)
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Date posted: May 20, 2019. Answers (1)