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Solution


Q.

Identify correct statements from the following :

A. Propanal and propanone are functional isomers.
B. Ethoxyethane and methoxypropane are metamers.
C. But-2-ene shows optical isomerism.
D. But-1-ene and but-2-ene are functional isomers.
E. Pentane and 2,2-dimethyl propane are chain isomers.

Choose the correct answer from the options given below :   [2026]
1 B, C and D only  
2 A, B and E only  
3 C, D and E only  
4 A, B and C only  

Ans.

(2)