ICSE Class 10 Answered
give reason-lead nitrate is not used in place of nitre for the preparation of nitric acid in the laboratory
Asked by arwanasik25 | 13 Aug, 2020, 08:54: PM
Expert Answer
Nitric acid is prepared by reaction of nitre(KNO3) and H2SO4 .
Chemical equation for this process is-
It is a type of displacement reaction, where high reactive K is displacing low reactive H.
When we are using Pb(NO3)2 instead of KNO3 then reaction rate is slow because Pb is very less reactive than K so it will take time to displace H.
So, KNO3 is preferred due to its hiogh reactivity.
Answered by Ravi | 16 Aug, 2020, 03:19: PM
Concept Videos
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