List of top Chemistry Questions on Hydrocarbons asked in MET

In which form styrene exists at room temperature?

Which of the following reagents are used to convert propene to propyne?

\( CH_3C \equiv CCH_3 \xrightarrow{(i)\,X \; (ii)\,H_2O/Zn} CH_3CO - COCH_3 \)
In the above reaction \( X \) is:

The IUPAC name for the formula \[ CH_3 - C( CH_3 ) = C( H ) - COOH \] is

Which of the following represents the given mode of hybridisation \(sp^2 - sp^2 - sp - sp\) from left to right?

Successive alkanes differ by :

Liquid hydrocarbon is converted into mixture of gaseous hydrocarbons by

Number of carbon atoms in kerosene is:

Which compound is present in diesel?

Which pair is usually required for a nucleophilic aromatic substitution reaction?

Which of the aromatic compounds react fastest with methoxide ion?

Which reagents would you use to carry out the reaction Ethyl benzene $\rightarrow$ 2 and 4-chloro-1-ethyl benzene?

1 g of fuming H\(_2\)SO\(_4\) (oleum: mixture of H\(_2\)SO\(_4\) and SO\(_3\) having formula H\(_2\)S\(_2\)O\(_7\)) is diluted with H\(_2\)O. This solution is completely neutralised by 26.7 mL of 0.8 N NaOH. Find the percentage of free SO\(_3\) in the oleum.

Photographic paper is developed with alkaline hydroquinone. Select correct statement.

Which one of the following statements about NO is wrong?

Which of the following alkenes will react fastest with \( \mathrm{H_2} \) under catalytic hydrogenation conditions?
• [(1)] \(\mathrm{RCH=CHR}\)
• [(2)] \(\mathrm{RCH=CH_2}\)
• [(3)] \(\mathrm{R_2C=CHR}\)
• [(4)] \(\mathrm{R_2C=CR_2}\)

Complete hydrolysis of cellulose gives:

Which of the following reaction doesn’t support the acidic nature of alkyne?

Angle strain in cyclopropane is ________.

For a chemical reaction $A \rightarrow B$ the rate of the reaction is $2 \times 10^{-3}$ mol dm$^{-3}$ s$^{-1}$ when the initial concentration is 0.05 mol dm$^{-3}$. The rate of the same reaction is $1.6 \times 10^{-2}$ mol dm$^{-3}$ s$^{-1}$ when the initial concentration is 0.1 mol dm$^{-3}$. The order of the reaction is

For the constructive interference the path difference between the two interfering waves must be equal to

2, 2-dichloro propane on hydrolysis yields:

Which cycloalkane has the lowest heat of combustion per $CH_{2$ group?