Chemistry, asked by abbykishyy, 11 months ago

Please help me on my test cant find the write answers
1. Propane and chlorine react as sown below
CH3CH2CH3 + Cl2 →CH3 CH2 CH2Cl + Hcl
(a) Name the type of reaction that takes place (1 mk)
(b) State the conditions under which this reaction takes place (1 mk)
2. (a) Name one substance used for vulcanization of rubber (1 mk)
3. (b) Why is it necessary to vulcanize natural rubber before use (1 mk)
4. R COO – Na+ and R – C6 H5 So3 – Na+ represents two cleaning agents where “R” is a long hydrocarbon chain.
(a) Write the formula of the salts that would be formed when each of those cleaning agents is added to water containing calcium ions (2 mks)
(b) Explain how the solubility of the two calcium salts (a) above effect the cleaning properties of each of the cleaning agents. (2 mks)
5. The general formula for a homologous series of organic compound is CnH2n+1 OH
(a) Give the name and structural formula of the forth member of this series(1 mk)
(b) Write an equation for the complete combustion of the fourth member of this series (1 mk)
6. (a) Name one natural fibre ( 1 mk)
(b) Give one advantage of synthetic fibres over natural fibre ( 1 mk)

Answers

Answered by jugalpatil095
1

Answer:

for Q1) a:it is free radical substitution reaction

b:this reaction takes place in presence of sunlight or uv rays

Answered by eerrfdd
0

Answer:

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