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 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
 

For a compound with the molecular formula ${\mathrm{C}}_7{\mathrm{H}}_8\mathrm{O}$ how many aromatic structures are possible?

Arrange in order of enolic content:

Which of the following compounds exhibit tautomerism?

Which of the following is not considered as stereoisomerism?

How many number of sigma and pi bonds are present in the enolic form of acetone ?

An isomer of propanal is

$C_7{H}_{16}$ has________________ number of chain isomers.