By which of the following process hydrocarbons are found from petroleum?

• Combustion

• Fractional distillation

• Addition

• All of the above

52.

The false statement regarding alkane is

• this does not perform polymerization reaction

• this does not gives elimination reaction

• it does not disappear the colour of dilute KMnO₄ solution

• it does not decolourise bromine water

Which of the following aromatic compound gives sulphonation reaction very easily?

• Chlorobenzene

• Nitrobenzene

• Toluene

• Benzene

Which of the following on combustion gives maximum energy?

• Ethane

• Propane

• Methane 

• Butane

C₂H₆ + CH₃Cl $\stackrel{\mathrm{Anhy}. {\mathrm{AlCl}}_3}{\to }$ C₆H₅CH₃ + HCl

The name of the above reaction is

• Gattermann

• Reimer-Tiemann

• Friedel-Craft

• Cannizzaro

The tetraethyl lead mixed in petrol works as 

• cooling agent

• anti-knocking agent

• bleaching agent

• None of the above

The number of alkenyl groups possible from C₄H₇ are

• 7

• 5

• 3

• 8

Among the following select the alkane that is expected to have lowest boiling point

• hexane

• 2-methylpentane

• 3-methylpentane

• 2,2-dimethylbutane

'X' is an optically active alkane having lowest molecular mass, Predict the structure of the major product obtained on monochlorination of 'X'.

Given: R = 8.314 JK^-1 mol^-1, the work done during combustion of 0.090 kg of ethane (molar mass = 30) at 300 K is

• -18.7 kJ

• 18.7 kJ

• 6.234 kJ

• -6.234 kJ