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?

Ethyl alcohol and dimethyl ether are examples of:

Explain the enolization of acetone in basic solution.

The type of isomerism observed in alkanes is

Which of the following exhibits tautomerism?

Which of the following pairs of compounds are positional isomers?

If the number of isomeric forms of  ${\mathrm{C}}_7{\mathrm{H}}_9\mathrm{N}$ is $\mathrm{X}$ and the number of compounds with the chiral centre is $\mathrm{Y}$, then the ratio of  $\mathrm{X}$ and $\mathrm{Y}$ is

(all isomeric forms contain a benzene ring)

Which of the following statements is false regarding the enolization of

$\left(\mathrm{a}\right)$ It can form two types of enolic forms of equal stability.

$\left(\mathrm{b}\right)$ It can form only two types of enolic forms of different stability.

$\left(\mathrm{c}\right)$ It can form more than two types of enolic forms of different stability.

$\left(\mathrm{d}\right)$ It can form only one type enolic form.

The following two compounds are 

The following compounds

are