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Structural Identification & POC

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
The number of chiral carbons present in the molecule given below is ______.
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Q JEE-MAIN 2020
Among the following compounds geometrical isomerism is exhibited by
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Q JEE MAIN 2019
In a communication system operating at wavelength 800 nm , only one percent of source frequency is available as signal...
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Q JEE MAIN_2021_
The dihedral angle in staggered form of Newman projection of 1,1,1-Trichloro ethane is $\_\_\_\_$ degree. (Round off to the nearest...
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Q JEE-MAIN 2021
The stereoisomers that are formed by electrophilic addition of bromine to trans-but-2-ene is/are :
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Q JEE MAIN 2021
The stereoisomers that are formed by electrophilic addition of bromine to trans-but-2-ene is/are :
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Q JEE MAIN 2021
Staggered and eclipsed conformers of ethane are :
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Q JEE MAIN 2021
Which one of the following pairs of isomers is an example of metamerism ?
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Q JEE MAIN 2021
A carrier wave with amplitude of 250 V is amplitude modulated by a sinusoidal base band signal of amplitude 150...
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Q JEE-MAIN 2021
The total number of C–C sigma bond/s in mesityl oxide $\left(\mathrm{C}_6 \mathrm{H}_{10} \mathrm{O}\right)$ is_____. (Round off to the Nearest Integer).
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Q JEE MAIN 2021
Compound with molecular formula $\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}$ can show :
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Q JEE MAIN 2022
Total number of possible stereoisomers of dimethyl cyclopentane is ___________
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Q JEE MAIN 2023
Match List I with List II.
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Q JEE MAIN_2023
The modulation index for an A.M. wave having maximum and minimum peak to peak voltages of 14 mV and 6...
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Q JEE MAIN 2025
Match List - I with List - II. Choose the correct answer from the options given below :
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Q JEE MAIN 2025
In the sulphur estimation, 0.20 g of a pure organic compound gave 0.40 g of barium sulphate. The percentage of...
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Q JEE MAIN 2025
Given below are two statements : Statement (I): In partition chromatography, stationary phase is thin film of liquid present in...
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Q JEE MAIN 2025
In Carius method of estimation of halogen, 0.25 g of an organic compound gave 0.15 g of silver bromide $(\mathrm{AgBr})$....
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