List of top Chemistry Questions on Hydrocarbons

Unsaturated hydrocarbons generally undergo _____ reactions.
The product formed in the following reaction is:
Assertion(A): Propene reacts with HBr in presence of organic peroxide gives 1-bromopropane.
Reason(R): The reaction occurs through carbocation intermediate.
Arrange in increasing order of boiling points: (A) 2,2-dimethylpropane, (B) 2-methylbutane, (C) n-pentane, (D) n-butane.
Identify the final product formed when benzenamine reacts with the given reagents in the sequential order as: (i) $\mathrm{(CH_3CO)_2O}$/Pyridine, (ii) Conc. $\mathrm{HNO_3 + H_2SO_4}$ followed by $\mathrm{H_3O^+}$, (iii) $\mathrm{NaNO_2/HCl}$ (273 K) followed by $\mathrm{H_3PO_2(aq)}$.
What is the major product [P3] formed when n-Hexane undergoes the given series of reactions?
n-Hexane $\xrightarrow[\text{20 atm, 773 K}]{\text{V}_2\text{O}_5}$ [P] $\xrightarrow[\Delta]{\text{C}_2\text{H}_5\text{Cl, Anhyd. AlCl}_3}$ [P2] $\xrightarrow[\text{333 K}]{\text{Conc. HNO}_3 + \text{H}_2\text{SO}_4}$ [P3]}
What is the major product [Z] formed when compound [C] undergoes the following reactions?
[C] (Cyclohexyl bromide) $\xrightarrow[\Delta]{\text{alc. KOH}$ [X] $\xrightarrow{\text{HCl}}$ [Y] $\xrightarrow{\text{(i) alc. KCN, (ii) dil. HCl}}$ [Z]}
Highest boiling point among these isomers (C$_{5}$H$_{12}$):
Which gas is used in the manufacture of Vanaspati Ghee?
What is the major product formed when Propene reacts with \(HBr\) in the presence of peroxide?
Which has highest acidity? ____.
When benzene diazonium chloride is treated with Cu and HBr, bromobenzene, N2 and CuCl are obtained. This reaction is called
Aniline reacts with acetic anhydride in pyridine to give a product which reacts with Br2 in CH3COOH to get
2-Methylpropene is obtained when sodium methoxide reacts with
One mole of an alkene on ozonolysis gives two moles of propanone. What is the alkene?
Which of the following is a gas at 300K?
What is the product formed when chlorobenzene undergoes nitration with concentrated $HNO_3$ and $H_2SO_4$?
Ozonolysis of 2-Methylbut-2-ene followed by reaction with Zn/H\(_2\)O gives:
What is the name of the hydrocarbon that yields ethanal and propanone upon reductive ozonolysis?
When ethene is treated with \(H_{2}\) in the presence of a catalyst, ethane is formed. This reaction is an example of.
Which of the following are carcinogenic hydrocarbons? (i) 1,2-Benzanthracene
(ii) Pent-1-yne
(iii) 1,2-Benzpyrene
(iv) Cyclohexane
(v) 3-Methylcholanthrene
Identify the most stable carbocation among primary, secondary, and tertiary.
Which one of the following is not an allylic halide?
What is the stability order of carbocations?
An example of electrophilic substitution reaction is :