Cyanides exist in:

What is structural isomerism? Give two examples of chain isomerism in alkanes. Or,explain the isomerism of alkanes having more than three carbon atoms using two examples.

Among the given structures,which can exhibit tautomerism?

For which of the following parameters would the structural isomers $C_2H_5OH$ and $CH_3OCH_3$ be expected to have the same values? (Assume ideal behavior)

What is functional group isomerism? Explain with a suitable example.

Which of the following is not an isomer of $C_5H_{10}O$?