(a) Write structure of ethanol. Give chemical equation of its reaction with (i) sodium (ii) excess conc H_2SO_4 at 443 K. (b) (i) Write your observation, if you dip a red litmus paper in soap solution. (ii) Explain the formation of scum in hard water. (iii) Suggest one method to remove the temporary hardness of water. 1
(a) Write structure of ethanol. Give chemical equation of its reaction with (i) sodium (ii) excess conc H_2SO_4 at 443 K. (b) (i) Write your observation, if you dip a red litmus paper in soap solution. (ii) Explain the formation of scum in hard water. (iii) Suggest one method to remove the temporary hardness of water. 1
Harshit Singh , 3 Years ago
Grade 12th pass
