CBSE Class 10 Answered
What is the observation & inference when
(a)Solid 
is added to acetic acid solution & heated slightly.
is added to acetic acid solution & heated slightly.(b)colour , smell of the gas given out in (a).
(c)passed gas & excess of gass through lime water.
Asked by araima2001 | 24 Oct, 2015, 08:58: PM
Expert Answer
Dear araima2001@yahoo.com
Thanks for asking us a question in Ask the Expert section of TopperLearning.com.
In case of multiple questions within a query, please post each question individually and let us know where you are getting stuck so that we would be able to explain things better.
Solution for first query,
a)Na2CO3 + CH3COOH → CH3COONa + CO2↑ + H2O
b)Liberated gas has no colour and smell.
c)On passing the gas through lime water, it turns milky due to precipitation of CaCO3.
Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O(l)
When excess of CO2 is passed through lime water, it forms soluble calcium bicarbonaate, hence the lime water again tuns colourless.
CaCO3(s) + H2O(l) + CO2(g) → Ca(HCO3)2(aq)
Regards
Topperlearning Team.
Topperlearning Team.
Answered by Prachi Sawant | 25 Oct, 2015, 02:32: PM
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