(i) CH3CH2CHCH3
Pent-2-ene
(ii) Addition reaction
sharon kalunda answered the question on May 20, 2019 at 12:26
- Draw the structure of the following compounds:
(i) 2 – Methyprop-1-ene
(ii) Hexan – 2- ol(Solved)
Draw the structure of the following compounds:
(i) 2 – Methyprop-1-ene
(ii) Hexan – 2- ol
Date posted: May 20, 2019. Answers (1)
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(a) Suggest the possible anions in Y and V
(b) Predict the name of gas...(Solved)
Study the reaction scheme below and answer the questions that follow.
(a) Suggest the possible anions in Y.
(b) Predict the name of gas X.
Date posted: May 20, 2019. Answers (1)
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by the atoms of the elements are given below: Q2+,...(Solved)
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by the atoms of the elements are given below: Q2+, U- , T2-, R3+, P+ and S3- .
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(b) Suggest a reason why elements P and Q cannot react with each other to form a
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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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The above experiment was performed using carbon electrode and another electrode
(i) Identify electrode B
(ii) Name...(Solved)
Use the diagram below and answer the questions that follow.
The above experiment was performed using carbon electrode and another electrode
(i) Identify electrode B
(ii) Name the colourless gas observed in test tube Y
(iii) Explain why no gas was observed in list tube X
Date posted: May 20, 2019. Answers (1)
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The solubility of salt x at various temperature is as shown in the data given below.
Using a suitable scale draw a solubility curve of salt x on the grid provided below
Date posted: May 20, 2019. Answers (1)
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State and explain the observations made when sodium metal is put into a boiling tube containing propan–l-ol
Date posted: May 20, 2019. Answers (1)
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State two industrial use of methane.
Date posted: May 20, 2019. Answers (1)
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(ii) Name process I and II
(iii) Identify the products A...(Solved)
(i) Write an equation for the reaction between propan – l- ol and sodium metal.
(ii) Name process I and II
(iii) Identify the products A and B
(iv) Name catalyst used in product II
(v) Draw the structural formula of the repeating unit to the polymer C
Date posted: May 20, 2019. Answers (1)
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(i) What name is given to the process?
(ii Why is the process necessary.
Date posted: May 20, 2019. Answers (1)
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(a)To which homologous series do the following compounds belong?
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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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(i) Give equation for the reaction occurring at the two electrode.
Anode
Cathode...(Solved)
The diagram below shows method used to extract aluminium by the electrolysis of molten
bauxite.
(i) Give equation for the reaction occurring at the two electrode.
Anode
Cathode
(ii) In this process the anode rod have to be replaced from time to time. Explain.
(iii) The working temperature in this cell is below the normal melting point of the
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Date posted: May 20, 2019. Answers (1)
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answer the questions that follow.(Solved)
The table below gives some properties of three metals: Aluminium, iron and copper. Use it to
answer the questions that follow.
Assuming that steel and stainless steel have similar properties to iron.
(a) Why do some stainless steel sauce pans have a copper base?
(b) Aluminum with a steel core is used for overhead power cables in preference to
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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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Give a reason for your choice.(Solved)
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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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Hydrogen peroxide decomposes according to the equation shown below.
8.5g of hydrogen peroxide contained in 100cm3 of solution with water were completely
decomposed.Calculate the rise in temperature due to the reaction.(specific heat capacity on water = 4.25
Date posted: May 20, 2019. Answers (1)
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as shown in the equation.(Solved)
In a closed system an equilibrium exists between nitrogen(IV) oxide and dinitrogen tetraoxide
as shown in the equation.
State and explain the observation made when a glass syringe containing the equilibrium mixture is immersed in ice-cold water.
Date posted: May 20, 2019. Answers (1)
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of the acid is 1.8g/cm3 determine the molarity of the acid...(Solved)
A concentrated solution of sulphuric (VI) acid contain 72.5% sulphuric (VI) acid. If the density
of the acid is 1.8g/cm3 determine the molarity of the acid solution. (H= 1, O=16, S = 32)
Date posted: May 20, 2019. Answers (1)