1
JEE Main 2021 (Online) 20th July Evening Shift
Numerical
+4
-1
When 0.15 g of an organic compound was analyzed using Carius method for estimation of bromine, 0.2397 g of AgBr was obtained. The percentage of bromine in the organic compound is ______________. (Nearest integer)
[Atomic mass : Silver = 108, Bromine = 80]
[Atomic mass : Silver = 108, Bromine = 80]
Your input ____
2
JEE Main 2021 (Online) 25th February Morning Shift
Numerical
+4
-1
Using the provided information in the following paper chromatogram :
Fig : Paper chromatography for compounds A and B.
the calculated Rf value of A ________$$\times$$ 10-1.
Fig : Paper chromatography for compounds A and B.
the calculated Rf value of A ________$$\times$$ 10-1.
Your input ____
3
JEE Main 2020 (Online) 2nd September Morning Slot
Numerical
+4
-0
The number of chiral carbons present in the
molecule given below is _____ .
Your input ____
Questions Asked from Basics of Organic Chemistry (Numerical)
Number in Brackets after Paper Indicates No. of Questions
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