Alkanes

Which of the following compounds does not dissolve in conc. ${\mathrm{H}}_2{\mathrm{SO}}_4$ even on warming?

When cyclohexane is poured on water, it floats, because –

Complete and name the products for the following reactions:

$$\begin{gathered} {\mathrm{CH}}_4+{\mathrm{Cl}}_2\underset{\mathrm{Light}}{\overset{\mathrm{UV}}{\to }} \\ {\mathrm{CH}}_{3 }\mathrm{CH}={\mathrm{CH}}_2+\mathrm{HBr}\to \end{gathered}$$

Identify A and B in the given following reaction:

${\mathrm{C}}_2{\mathrm{H}}_6+{\mathrm{Cl}}_2\underset{-\mathrm{HCl}}{\overset{\mathrm{Uv}-\mathrm{light}}{\to }}\mathrm{A}\stackrel{\mathrm{Zn}/\mathrm{HCl}}{\to }\mathrm{B}+\mathrm{HCl}$

IUPAC name of the compound :

$2-$methylpropane is chlorinated. The major product is

The image below shows the boiling point of first seven straight chain primary alcohols and first seven straight chain primary alkanes.

The boiling point of both the series increase monotonically with increasing size of the molecules. However, the slope of increment is different for both the series. Observe the above graph and answer the following question:

Will the graph look like almost the same if boiling point is replaced with melting point?

The image below shows the boiling point of first seven straight chain primary alcohols and first seven straight chain primary alkanes.

The boiling point of both the series increase monotonically with increasing size of the molecules. However, the slope of increment is different for both the series. Observe the above graph and answer the following question:

Can the two graphs ever intersect?

The image below shows the boiling point of first seven straight chain primary alcohols and first seven straight chain primary alkanes.

The boiling point of both the series increase monotonically with increasing size of the molecules. However, the slope of increment is different for both the series. Observe the above graph and answer the following question:

Why do the differences in boiling point between corresponding alcohols and alkanes get less as the number of carbon atoms increase?

The IUPAC name of the given structure is :

 Which of the following reaction mechanism is not involved in the given reaction sequence?

Select the alkane which forms four isomeric dihalo derivatives.

Sodium sodium salt of butanoic acid is subjected to decarboxylation in presence of soda lime?

Write the IUPAC name of the following compound :

Convert ethane to ethyl isocyanide.

The ratio of products, 1-chloropropane to 2-chloropropane respectively formed in the chlorination of propane if all the hydrogens are abstracted at equal rates is :

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CH}={\mathrm{CH}}_2$ contains X number of allylic hydrogen and ${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CHCH}}_3$ contains Y number of allylic hydrogen.The number of structural isomers of ${\mathrm{C}}_6{\mathrm{H}}_{14}$ are

The most acidic hydrogen among the followng :

${\mathrm{K}}^{+}{}^{-}\mathrm{OOC}{\left({\mathrm{CH}}_2\right)}_4{\mathrm{COO}}^{-}{\mathrm{K}}^{+}\stackrel{\mathrm{Electrolysis}}{\to }\mathrm{X}+{\mathrm{CO}}_2+{\mathrm{H}}_2+\mathrm{KOH}$

The product $\mathrm{X}$ is