Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main20246 Apr 2024Evening ShiftChemistryGeneral Organic ChemistryActual

The correct statement among the following, for a "chromatography" purification method is :

Options

  1. AOrganic compounds run faster than solvent in the thin layer chromatographic plate.
  2. B( R _f ) is an integral value.
  3. C( R _f ) of a polar compound is smaller than that of a non-polar compound.
  4. DNon-polar compounds are retained at top and polar compounds come down in column chromatography.

Correct answer

C. ( R _f ) of a polar compound is smaller than that of a non-polar compound.

Step-by-step solution

Non polar compounds are having higher value of R _ f than polar compound.

Practice General Organic Chemistry on Quantrex Academy →

More from General Organic Chemistry

Given below are two statements: Statement I: Vapours of the liquid with higher boiling point condense before vapours of the liquid with lower boiling points in fractional distillat 2026The total number of aromatic compounds/species from the following is 2026Given below are two statements : Statement I : A mixture of C₁₂ H₂₂ O₁₁ (sugar) and NaCl can be separated by dissolving sugar in alcohol, due to differential solubility. Statement 2026Shown below is the structure of methyl acetate with three different , and carbon - oxygen bonds. The correct order of bond lengths of these bonds is : 2026Given below are two statements: Statement I: 2,6 -diethylcyclohexanone and 6 -methyl- 2 -n-propylcyclohexanone are metamers. Statement II: 2,2,6,6 -tetramethylcyclohexanone exhibit 2026Match List-I with List-II. List-I (Purification technique) List-II (Used to separate) A. Simple distillation I. Steam volatile compound B. Fractional distillation II. Two liquids w 2026Identify the correct IUPAC name of hydrocarbon ( x ) containing three primary carbon atoms and with molar mass 72 g mol ⁻¹ . 2026Given below are two statements: Statement I: On the basis of inductive effect, the order of stability of alkyl carbanions is CH ₃^-> CH₃ -CH₂^- > ( CH₃ )₂ CH ^- > ( CH₃ )₃ C ^- . S 2026 Full General Organic Chemistry list All JEE Main PYQs