i) Butan – 1 – 01// 1- Butanol// n-Butanol
ii) Propanoic acid
iii) Ethylethanoate
maurice.mutuku answered the question on November 6, 2019 at 07:48
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Study the schematic diagram below and answer the questions that follow:-
(i) Identify the following:
Substance Q
Substance R
Gas P
(ii) Name:
Step 1
Step 4
(iii) Draw the structural formula of the major product of step 5
(iv) State the condition and reagent in step 3
Date posted: November 6, 2019. Answers (1)
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i) Name the following compounds:-
I. Product T ………………………… II. K ………
ii) State one common physical property of substance G
iii) State the type of reaction that occurred in step J
iv) Give one use of substance K
v) Write an equation for the combustion of compound P
vi) Explain how compounds CH3CH2COOH and CH3CH2CH2OH can be distinguished chemically
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Date posted: November 6, 2019. Answers (1)
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CH3CH2CH2ONa(Solved)
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CH3CH2CH2ONa
Date posted: November 6, 2019. Answers (1)
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Date posted: November 6, 2019. Answers (1)
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(i) Write the formula of the organic compounds P and S
(ii) Name the type of reaction, the reagent(s) and condition for the reactions in the following steps :-
(I) Step I
(II) Step II
(III) Step III
(iii) Name reagent R ……………………………………………………………
(iv) Draw the structural formula of T and give its name
(v) (I) Name compound U………………………………………………………..
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Date posted: November 6, 2019. Answers (1)
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Date posted: November 6, 2019. Answers (1)
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(b) State two conditions required for process G to take place efficiently
Date posted: November 6, 2019. Answers (1)
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(b) Identify the type of polymerization that takes place
(c) State one advantage of synthetic polymers
Date posted: November 6, 2019. Answers (1)
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Date posted: November 6, 2019. Answers (1)
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A natural polymer is made up of the monomer:
(a) Write the structural formula of the repeat unit of the polymer
(b) When 5.0 x 10-5 moles of the polymer were hydrolysed, 0.515g of the monomer were obtained.
Determine the number of the monomer molecules in this polymer.
(C = 12; H = 1; N = 14; O =16)
Date posted: November 1, 2019. Answers (1)
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Explain why a lot of soap is needed when washing with hard water(Solved)
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Explain why a lot of soap is needed when washing with hard water
Date posted: November 1, 2019. Answers (1)
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Date posted: November 1, 2019. Answers (1)
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(i) the graphite anode is replaced from time to...(Solved)
In the extraction of aluminium form its ore by the use of electrolysis, explain the following observations:-
(i) the graphite anode is replaced from time to time
(ii) the steel tank which can also serve as an electrode is also lined with graphite cathode
Date posted: November 1, 2019. Answers (1)
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a) Name the main impurity in this ore.
b) Briefly describe how the impurity is removed from...(Solved)
Aluminum metal is mainly extruded from molten Bauxite by electrolysis.
a) Name the main impurity in this ore.
b) Briefly describe how the impurity is removed from the ore before electrolysis process.
Date posted: November 1, 2019. Answers (1)
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Date posted: November 1, 2019. Answers (1)
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oxygen. Write equations for the reactions...(Solved)
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oxygen. Write equations for the reactions that take place when the ore in (a) above is roasted
Date posted: November 1, 2019. Answers (1)
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a)Complete the table by filling...(Solved)
The following table shows some properties of period three elements and their chlorides. Study it and answer the questions that follow.
a)Complete the table by filling in the formula of the missing chlorides.
b)In terms of structure and bonding, explain the following observations:
i)The melting point of aluminium is higher than that of sodium.
ii)The melting point of chlorine is lower than that of sulphur.
iii)The melting point of aluminium chloride is lower than that of magnesium chloride.
c)Sodium chloride dissolves in water to form a neutral solution but aluminium chloride dissolves
to form an acidic solution. Explain this observation.
d)Generally, the first ionization energy increases across the period. Explain
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Date posted: November 1, 2019. Answers (1)