NEET Chemistry Hydrocarbons Class 11 Questions
29 questions
CH = CH - CH₃ + HBr ⟶ X, X in the reaction is:
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.
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.
CH₃—C≡CH 40% H₂SO₄, 1% HgSO₄ → A Isomerisation → CH₃—C—CH₃
The alkane that gives only one mono-chloro product on chlorination with Cl₂ in presence of diffused sunlight is
Methane reacts with steam at 1273 K in the presence of nickel catalyst to form:
Predict the major product 'P' in the following sequence of reactions -
Which one of the following reactions does NOT give benzene as the product?
Match List I with List II.
The most stable carbocation among the following is:
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:
RMgX + CO₂ → Y → H₃O⁺ → RCOOH What is Y in the above reaction?
What is the IUPAC name of the organic compound formed in the following chemical reaction?
CH₃CH₂COO⁻ Na⁺ + NaOH, + ? → CH₃CH₃ + Na₂CO₃. Consider the above reaction and identify the missing reagent/chemical.
Which of the following alkane cannot be made in good yield by Wurtz reaction?
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 ________.
The most suitable reagent for the following conversion is
The structure of intermediate A in the following reaction, is ______.
Among the following, the reaction that proceeds through an electrophilic substitution is ______.
The compound C₆H₅ undergoes the following reactions: C₆H₅ 3Cl₂/Δ → A Br₂/Fe → B Zn/HCl → C The product 'C' is
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
Identify A and predict the type of reaction.
For the following reactions: which of the following statements is CORRECT?
In the reaction, H–C≡C–H i. NaNH₂ / ii. CH₃CH₂Br → X i. NaNH₂ / ii. CH₃CH₂Br → Y X and Y are
A single compound of the structure: is obtainable from ozonolysis of which of the following cyclic compounds?
What products are formed when the following compound is treated with Br₂ in the presence of FeBr₃?
Which of the following organic compounds has same hybridization as its combustion product, –(CO)₂?
Which of the following chemical system is non aromatic:
In the following reaction HC ≡ CH H₂SO₄/HgSO₄ → 'P' Product 'P' will not give