Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NTA Abhyas JEE Main2020ChemistryHydrocarbonsPractice

Which is the most suitable reagent among the following to distinguish compound (iii) from the rest of the compounds i. C H 3 - C ≡ C - C H 3 ii. C H 2 - C H 2 - C H 2 - C H 3 iii. C H 3 - C H 2 - C ≡ C H iv. C H 3 - C H = C H 2

Options

  1. AB r 2 in C C l 4
  2. BCold aqueous alkaline K M n O 4
  3. CAmmonical A g N O 3 solution
  4. DO s O 4

Correct answer

C. Ammonical A g N O 3 solution

Step-by-step solution

Terminal alkyne reacts with ammonical AgNO 3 solution and gives white precipitate because it has acidic hydrogen on sp hybridized carbon.

Practice Hydrocarbons on Quantrex Academy →

More from Hydrocarbons

In the following reaction sequence, Q , R , S and T are the major products. The correct statement(s) about Q , R , S and T is(are) 2026Treatment of buta-1,3-diyne with NaNH ₂ ( 2 equivalents), followed by reaction with excess of trans - CH ₃ -CH=CH-CH ₂ -Br gives X as the major product. The maximum number of carbo 2026The List-II contains products obtained from the reaction of compounds in List-I with O ₃ /Zn- H ₂ O followed by cyclization (via more stable enolate) in the presence of aqueous NaO 2026Natural rubber on complete ozonolysis ( O ₃ /Zn- H ₂ O ) gives compound X as the major product. X gives positive iodoform and Tollen's tests. X on heating with aqueous NaOH gives Y 2026An optically active alkyl bromide C₄ H₉ Br, reacts with ethanolic KOH to form major compound [A] which reacts with bromine to give compound [B]. Compound [B] reacts with ethanolic 2026An alkane (Y) requires 8 moles of oxygen for complete combustion and on chlorination with Cl₂ /h , (Y) gives only one monochlorinated product (Z) . The total number of primary carb 2026R_f value for 2 -methylpropene in a solvent system (Ethyl acetate + ether) is 0.42 . 2 -methylpropene is treated with dilute H ₂ SO ₄ to give major organic product (X). R_f value f 2026Given below are two statements: Statement I: Methane can be prepared by decarboxylation of sodium ethanoate, Kolbe's electrolysis of sodium acetate and reaction of CH ₃ MgBr with w 2026 Full Hydrocarbons list All NTA Abhyas JEE Main PYQs