NEET Chemistry Hydrocarbons Class 11 Questions

29 questions

CH = CH - CH₃ + HBr ⟶ X, X in the reaction is:

MCQmedium

Assertion : CH₃ - CH = CH - CH₃, on reaction with alcoholic KOH gives CH₃CH = CHCH₃ as a result of dehydrohalogenation. Reason : Elimination reaction takes place in accordance with Markovnikov's rule.

Assertion Reasonmedium

In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices. Assertion (A): Addition reaction of water to but^{-1}-ene in acidic medium yields butan^{-1}-ol. Reason (R): Addition of water in acidic medium proceeds through the formation of primary carbocation.

Assertion Reasonmedium

CH₃—C≡CH 40% H₂SO₄, 1% HgSO₄ → A Isomerisation → CH₃—C—CH₃

MCQmedium

The alkane that gives only one mono-chloro product on chlorination with Cl₂ in presence of diffused sunlight is

MCQmedium

Methane reacts with steam at 1273 K in the presence of nickel catalyst to form:

2026MCQmedium

Predict the major product 'P' in the following sequence of reactions -

2025MCQmedium

Which one of the following reactions does NOT give benzene as the product?

2025MCQmedium

Match List I with List II.

2024Match the Followinghard

The most stable carbocation among the following is:

2024MCQmedium

Weight (g) of two moles of the organic compound, which is obtained by heating sodium ethanoate with sodium hydroxide in presence of calcium oxide is:

2023Numericalmedium

RMgX + CO₂ → Y → H₃O⁺ → RCOOH What is Y in the above reaction?

2022MCQmedium

What is the IUPAC name of the organic compound formed in the following chemical reaction?

2021MCQmedium

CH₃CH₂COO⁻ Na⁺ + NaOH, + ? → CH₃CH₃ + Na₂CO₃. Consider the above reaction and identify the missing reagent/chemical.

2021MCQmedium

Which of the following alkane cannot be made in good yield by Wurtz reaction?

2020MCQmedium

An alkene ‘A’ on reaction with O₃ and Zn⁻H₂O gives propanone and ethanol in equimolar ratio. Addition of HCl to alkene ‘A’ gives ‘B’ as the major product. The structure of product ‘B’ is ________.

2019MCQhard

The most suitable reagent for the following conversion is

2019MCQmedium

The structure of intermediate A in the following reaction, is ______.

2019MCQmedium

Among the following, the reaction that proceeds through an electrophilic substitution is ______.

2019MCQmedium

The compound C₆H₅ undergoes the following reactions: C₆H₅ 3Cl₂/Δ → A Br₂/Fe → B Zn/HCl → C The product 'C' is

2018MCQhard

Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is

2018MCQmedium

Identify A and predict the type of reaction.

2017MCQhard

For the following reactions: which of the following statements is CORRECT?

2016MCQmedium

In the reaction, H–C≡C–H i. NaNH₂ / ii. CH₃CH₂Br → X i. NaNH₂ / ii. CH₃CH₂Br → Y X and Y are

2016MCQhard

A single compound of the structure: is obtainable from ozonolysis of which of the following cyclic compounds?

2015MCQmedium

What products are formed when the following compound is treated with Br₂ in the presence of FeBr₃?

2014MCQmedium

Which of the following organic compounds has same hybridization as its combustion product, –(CO)₂?

2014MCQmedium

Which of the following chemical system is non aromatic:

2013MCQmedium

In the following reaction HC ≡ CH H₂SO₄/HgSO₄ → 'P' Product 'P' will not give

2013MCQmedium