1
JEE Main 2022 (Online) 25th July Evening Shift
Numerical
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The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front, substance A and substance B from the base line are 3.25 cm, 2.08 cm and 1.05 cm, respectively. The ratio of Rf values of A to B is _____________.

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2
JEE Main 2022 (Online) 25th July Evening Shift
Numerical
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The total number of monobromo derivatives formed by the alkanes with molecular formula C5H12 is (excluding stereo isomers) __________.

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3
JEE Main 2022 (Online) 29th June Morning Shift
Numerical
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Observe structures of the following compounds

JEE Main 2022 (Online) 29th June Morning Shift Chemistry - Basics of Organic Chemistry Question 114 English

The total number of structures/compounds which possess asymmetric carbon atoms is ______________.

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4
JEE Main 2022 (Online) 27th June Morning Shift
Numerical
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-1
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Total number of possible stereoisomers of dimethyl cyclopentane is ____________.

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