Structural Isomerism

The compound C₂H₅OC₂H₅ and CH₃OCH₂CH₂CH₃ are 

Molecular formula ${\mathrm{C}}_3{\mathrm{H}}_6{\mathrm{Br}}_2$ can have (including stereoisomer):

Which two of the following compounds are identical?

Phenol and benzyl alcohol are 

How many structural formula are possible when one of the hydrogen is replaced by a chlorine atom in anthracene?

C₇H₇Cl shows how many benzenoid aromatic isomers?

The compounds ${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{OC}}_2{\mathrm{H}}_5 \mathrm{and} {\mathrm{CH}}_3{\mathrm{OCH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$ are:

An isomer of ethanol is:

Relation between the above compounds is

The minimum number of carbon atoms that should be present in an organic compound to be able to show position isomerism is :

Are tautomers called functional isomers?

Which of the following are not chain isomers?

The number of amides possible from molecular formula ${\mathrm{C}}_4{\mathrm{H}}_9\mathrm{NO}$ is

The number of structural isomers possible from the molecular formula ${\mathrm{C}}_2{\mathrm{H}}_2\mathrm{FCl} \mathrm{Br} \mathrm{I}$ is

Positional isomers differ in

Which of the following pair represents chain isomers?

Out of the different structural isomers possible with molecular formula ${\mathrm{C}}_5{\mathrm{H}}_{11}\mathrm{Br}$, how many are tertiary alkyl bromides?