The scheme below shows some reactions starting with ethanol. Study it and answer the questions that follow:-

      

The scheme below shows some reactions starting with ethanol. Study it and answer the questions that follow:-

  

Answers

---

i) ethylethanoate
CH₃23
ii) step 2: oxidation
step 4: esterification

iii) sodium hydroxide ,or NaoH

---

maurice.mutuku answered the question on November 6, 2019 at 09:01

Next: A certain volume of methlylated spirit has a mass of 2.2kg. Given that the density of methlylated spirit is 0.8g/cm³ calculate the volume of the...
Previous: Substances A and B are represented by the formulae ROH and RCOOH respectively. They belong to two different homologous series of organic compounds. If both A...

View More Chemistry Questions and Answers | Return to Questions Index

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

Related Questions

---

• (a) Draw the structure of pentanoic acid (b) Draw the structure and give the name of the organic compound formed when ethanol reacts with pentanoic acid...(Solved)
  

  (a) Draw the structure of pentanoic acid
  (b) Draw the structure and give the name of the organic compound formed when ethanol reacts with pentanoic acid in presence of concentrated sulphuric acid

  Date posted: November 6, 2019.  Answers (1)

• Draw the structural formulae of two compounds that may be reacted to form ethylpropanoate(Solved)
  

  Draw the structural formulae of two compounds that may be reacted to form ethylpropanoate

  Date posted: November 6, 2019.  Answers (1)

• a) Write an equation showing how ammonium nitrate may be prepared starting with ammonia gas (b) Calculate the maximum mass of ammonium nitrate that can be...(Solved)
  

  a) Write an equation showing how ammonium nitrate may be prepared starting with ammonia gas
  (b) Calculate the maximum mass of ammonium nitrate that can be prepared using 5.3kg of ammonia (H=1, N=14, O=16)

  Date posted: November 6, 2019.  Answers (1)

• The flow chart below represents a series of reactions starting with ethanoic acid:-(Solved)
  

  The flow chart below represents a series of reactions starting with ethanoic acid:-
  
  (a) Identify substances A and B
  (b) Name the process I

  Date posted: November 6, 2019.  Answers (1)

• The structure below represents a cleansing agent.(Solved)
  

  The structure below represents a cleansing agent.
  
  a) State the type of cleansing agent represented above
  b) State one advantage and one disadvantage of using the above cleansing agent.

  Date posted: November 6, 2019.  Answers (1)

• Give the IUPAC name for each of the following organic compounds;(Solved)
  

  Give the IUPAC name for each of the following organic compounds;
  

  Date posted: November 6, 2019.  Answers (1)

• Study the scheme given below and answer the questions that follow;(Solved)
  

  Study the scheme given below and answer the questions that follow;
  
  i) Name the reagents used in:
  Step I:
  Step II
  Step III
  ii) Write an equation to show products formed for the complete combustion of CH = CH
  iii) Explain one disadvantage of continued use of items made form the compound formed in step III

  Date posted: November 6, 2019.  Answers (1)

• a) Give the names of the following compounds: i) CH₃CH₂CH₂CH₂OH ii) CH₃CH₂COOH iii) CH₃C – O- CH₂CH₃(Solved)
  

  a) Give the names of the following compounds:
  i) CH₃CH₂CH₂CH₂OH
  ii) CH₃CH₂COOH
  iii) CH₃C – O- CH₂CH₃

  Date posted: November 6, 2019.  Answers (1)

• Study the schematic diagram below and answer the questions that follow:-(Solved)
  

  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)

• Study the scheme below and use it to answer the questions that follow:-(Solved)
  

  Study the scheme below and use it to answer the questions that follow:-
  
  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
  vii) If a polymer K has relative molecular mass of 12,600, calculate the value of n (H=1 C =12)

  Date posted: November 6, 2019.  Answers (1)

• Name the compound with the formula below : CH₃CH₂CH₂ONa(Solved)
  

  Name the compound with the formula below :
  CH₃CH₂CH₂ONa

  Date posted: November 6, 2019.  Answers (1)

• State two factors that affect the properties of a polymer(Solved)
  

  State two factors that affect the properties of a polymer

  Date posted: November 6, 2019.  Answers (1)

• State why C₂H₄ burns with a more smoky flame than C₂H₆(Solved)
  

  State why C₂H₄ burns with a more smoky flame than C₂H₆

  Date posted: November 6, 2019.  Answers (1)

• The structure below shows some reactions starting with ethanol. Study it and answer the questions that follow:(Solved)
  

  The structure below shows some reactions starting with ethanol. Study it and answer the questions that follow:
  
  (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………………………………………………………..
  (II) If the relative molecular mass of U is 42000, determine the value of n (C=12, H=1)

  Date posted: November 6, 2019.  Answers (1)

• Give the IUPAC names of the following compounds:(Solved)
  

  Give the IUPAC names of the following compounds:
  

  Date posted: November 6, 2019.  Answers (1)

• What is absolute ethanol?(Solved)
  

  
  (a) What is absolute ethanol?
  (b) State two conditions required for process G to take place efficiently

  Date posted: November 6, 2019.  Answers (1)

• Study the polymer below and use it to answer the questions that follow:(Solved)
  

  Study the polymer below and use it to answer the questions that follow:
  
  (a) Give the name of the monomer and draw its structures
  (b) Identify the type of polymerization that takes place
  (c) State one advantage of synthetic polymers

  Date posted: November 6, 2019.  Answers (1)

• The formula below represents active ingredients of two cleansing agents A and B(Solved)
  

  The formula below represents active ingredients of two cleansing agents A and B
  
  Which one of the cleansing agents would be suitable to be used in water containing magnesium hydrogen carbonate? Explain

  Date posted: November 6, 2019.  Answers (1)

• A natural polymer is made up of the monomer:(Solved)
  

  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)

• Sodium octadecanoate has a chemical formula CH₃(CH2)₆ COO^-Na⁺, which is used as soap. Explain why a lot of soap is needed when washing with hard water(Solved)
  

  Sodium octadecanoate has a chemical formula CH₃(CH2)₆ COO^-Na⁺, which is used as soap.
  Explain why a lot of soap is needed when washing with hard water

  Date posted: November 1, 2019.  Answers (1)