Isomerism

On chlorination of propane, the number of products having the formula ${\mathrm{C}}_3{\mathrm{H}}_6{\mathrm{Cl}}_2$ is 

Which of the following compound displays geometrical isomerism?

The compound C₂H₅OC₂H₅ and CH₃OCH₂CH₂CH₃ are 

Number of possible isomers (stereoisomers) of$\mathrm{D}-$glucose are:

Which species exhibits a plane of symmetry?

Which of the following cannot be written in an isomeric form?

The number of optically active compounds in the isomers of C₄H₉Br is:

The number of isomers (including stereoisomers) of${\mathrm{C}}_5{\mathrm{H}}_{10}$ are:

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

Which of the following statements must be true for two pure chiral isomers?

Stereoisomers differ from each other in what respect?

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:

Identify the chiral molecule among the following.

which among these are stereoismers?