Structural Isomerism

The compound C₂H₅OC₂H₅ and CH₃OCH₂CH₂CH₃ are 

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

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:

Which of the following compounds exhibit tautomerism?

Out of all the possible isomers of ${\text{C}}_5{\text{H}}_{11}\text{Cl},$ how many are secondary in nature? (Exclude stereo isomers if any.)

Write the structural formulae of all possible isomers of the compound with the molecular formula ${\mathrm{C}}_4{\mathrm{H}}_{10}\mathrm{O}$. Identify the different isomer pairs from them and find the type of isomerism to which each pair belongs.

Write the structural formulae of all possible isomers of ${\mathrm{C}}_3{\mathrm{H}}_8\mathrm{O}$.

Ethyl alcohol and dimethyl ether are examples of:

Which one has minimum % of enol content?

Which among these can exhibit tautomerism?

The correct enol content order is

Explain the enolization of acetone in basic solution.