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NumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)1
JEE Main 2023 (Online) 12th April Morning Shift
Numerical
+4
-1
Three organic compounds A, B and $$\mathrm{C}$$ were allowed to run in thin layer chromatography using hexane and gave the following result (see figure). The $$\mathrm{R}_{\mathrm{f}}$$ value of the most polar compound is ____________ $$\times 10^{-2}$$
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2
JEE Main 2023 (Online) 1st February Morning Shift
Numerical
+4
-1
The total number of chiral compound/s from the following is ______________.
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3
JEE Main 2023 (Online) 29th January Morning Shift
Numerical
+4
-1
Following chromatogram was developed by adsorption of compound 'A' on a 6 cm TLC glass plate. Retardation factor of the compound 'A' is _________ $$\times 10^{-1}$$.
Your input ____
4
JEE Main 2022 (Online) 27th July Morning Shift
Numerical
+4
-1
Optical activity of an enantiomeric mixture is $$+12.6^{\circ}$$ and the specific rotation of $$(+)$$ isomer is $$+30^{\circ}$$. The optical purity is __________$$\%$$.
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Questions Asked from Numerical
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