Question

b) Ranjana has two unknown solutions: X, and Y. She performed certain tests with
indicators and observed the following:
(i) Solution X - phenolphthalein remains colourless.
(ii) Solution Y + sugar solution
Phenolphthalein turns pink.
(iii) Solution X + Solution Y
Phenolphthalein remains colourless.
Identify the nature of the solutions X and Y. Give one property for each of them.
onic kont in a moist environment
ies​

Answer 1

Answer:Only unsaturated hydrocarbons undergo addition reaction. Among the given compounds only C  

3

​  

H  

6

​  

 (Propyne) and C  

2

​  

H  

2

​  

 (acetylene) are unsaturated Hydrocarbons.