Isomerism

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

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

The compound which is not isomeric with methoxypropane

How many isomers (cyclic and acyclic) are possible for a compound with molecular formula ${\mathrm{C}}_3{\mathrm{H}}_6\mathrm{O}$ ?

In the following reaction sequence, identify the relationship between the products Q and S :

What do you mean by stereoisomerism?

Which of the following statement is not true for the diastereoisomers?

Which of the following does not show geometrical isomerism?

To form an isomer how many minimum number of carbon atoms of an alkane are required ?

Given below are the structures of few compounds with molecular formula ${\mathrm{C}}_4{\mathrm{H}}_{10}\mathrm{O}$ . Among the following which will be metamers of the given compound. 
$\left(i\right)$ ${\mathrm{C}\mathrm{H}}_3-\mathrm{O}-{\mathrm{C}\mathrm{H}}_2{\mathrm{C}\mathrm{H}}_2{\mathrm{C}\mathrm{H}}_3$
$\left(ii\right)$ ${\mathrm{C}\mathrm{H}}_3{\mathrm{C}\mathrm{H}}_2{\mathrm{C}\mathrm{H}}_2\mathrm{O}\mathrm{H}$
$\left(iii\right)$ ${\mathrm{C}\mathrm{H}}_3-{\mathrm{C}\mathrm{H}}_2-\mathrm{O}-{\mathrm{C}\mathrm{H}}_2-{\mathrm{C}\mathrm{H}}_3$
$\left(iv\right)$

The enolic form of a given compound contains
$\mathrm{C}{\mathrm{H}}_3-\mathrm{C}{\mathrm{H}}_2-\stackrel{\mathrm{O}}{\stackrel{\left|\right|}{\mathrm{C}}}-\mathrm{C}{\mathrm{H}}_3$
$\mathrm{x} \mathrm{\sigma }$ bonds, $\mathrm{y} \mathrm{\pi }$bonds, $\mathrm{z}$lone pairs. The sum value of $(\mathrm{x} + \mathrm{y} + \mathrm{z})$ is:

Which of the following compound will undergo tautomerism?

The maximum number of cyclic isomers (positional and optical) of a compound having molecular formula $C_3{H}_{2}C{l}_2$ is

The maximum number of isomeric ethers with the molecular formula ${\mathrm{C}}_4{\mathrm{H}}_{10}\mathrm{O}$ is

Correct relation between the above compounds:

The total number of benzene derivatives having the molecular formula ${\mathrm{C}}_7{\mathrm{H}}_7\mathrm{C}\mathrm{l}$ is

Which of the following pair of structures neither represent isomers nor different set of compounds?

Heat of combustion of two isomers $\mathrm{A}$ and $\mathrm{B}$ are $-17\mathrm{ }\mathrm{K}\mathrm{J}\mathrm{ }{\mathrm{m}\mathrm{o}\mathrm{l}}^{-}$ and $-12{\mathrm{K}\mathrm{J}\mathrm{m}\mathrm{o}\mathrm{l}}^{-1}$ respectively. From this information it may be concluded that

How many monochlorinated products can be obtained from all the isomeric alkanes having formula ${\mathrm{C}}_5{\mathrm{H}}_{10}.$