(ii) Answer the following questions :
(a) Write the structural formula of Ethanol.
(b) What happens when ethanol is burnt in air?
(c) State the physical properties of ethanol.
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Answer:
a) The structural formula of ethanol is C2H5OH
b) when ethanol is burnt in air , it reacts with oxygen and produces carbon dioxide , water vapours and heat.
c) Ethanol is a volatile,colourless liquid that has a slight odour. It burns with a smokeless blue flame that is not always visible in normal light .
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(a) The structural formula of ethanol is C2H5OH.
(b) When ethanol is burnt in air, it reacts with oxygen and produces carbon dioxide,
water vapours and heat.
(c) Ethanol is a volatile , colourless liquid
that has a slight odour . It burns with a smokeless blue flame that is not always visible in normal light.
It can help you
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