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tatiyna
3 years ago
10

13. The quality of petrol as an engine

Chemistry
1 answer:
quester [9]3 years ago
8 0

Answer:

The correct option is;

A. Branched chain alkanes

Explanation:

By the process of cracking of petroleum, higher quality petrol are formed by converting straight chain petrol to branched petrol, which are the grade of petrol that burns more smoothly and therefore efficiently within internal combustion engines

The cracking process includes;

a) The conversion of alkanes which are large molecules into branched octanes

b) The conversion of alkanes with straight chain into branched chain alkanes

c) The formation of a branched chain alkane and an alkene from straight chain alkanes

d) The formation of branched chain alkane and hydrogen gas from a straight chain alkane.

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The above is a neutralization reaction in which an acid, aqeous HCl reacts completely with an appropriate amount of a base, aqueous KOH to produce salt, aqueous KCl and water, liquid H2O only.

This is a neutralization reaction since, the hydrogen ion, H+, from the HCl is neutralized by the hydroxide ion, OH-, from the KOH to form the water molecule, H2O and salt, KCl only.

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