Organic chemistry questions | form four Chemistry

From which factors does the isomerism of alcohols arise ?

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An example of alkene that decolourises potassium permanganate solution is

1. methane
2. ethyne
3. ethene
4. ethane
5. butyne

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The following are the general structural formulae of certain organic compounds: R-OH, R-COOH, and RCOOR.

1. Name the Homologous series represented by R-OH, R-COOH and RCOOR.
2. Functional groups represented by R-OH and R-COOH

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Alcohols react with carboxylic acids to form a group of organic compounds called
      A. alkynes

2. aldehydes
3. ethers
4. esters
5. alkanols.

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Write down the chemical equations of the reactions between the following:
(i) Ethanol and sodium metal.
(ii) Propanol warmed with excess acidified potassium permanganate.
(iii) Propanol and acetic acid warmed together in the presence of concentrated sulphuric acid.

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