Test Index

CBSE Class X Science 2017 Set 3 Question Paper with Solutions

Question : 1
Total: 36
Solution:
The molecular formula of the 2nd and 3rdmembers of a homologous series where the first member is ethyne (C2H2) is formed by adding –CH2:-
2nd member of alkyne series = propyne
(C3H4)CH3CH2CCH

3rd memberof alkyne series = butyne
(C4H6)CH3CH2CCH
© examsnet.com
Go to Question: