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प्रश्न
Draw other resonance structures related to the following structure and find out whether the functional group present in the molecule is ortho, para directing or meta directing.
उत्तर
Since the electron density is more at ortho and para positions, the functional group present in the ring is ortho-para directing.
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संबंधित प्रश्न
Identify A, B, C, D, E, R and R1 in the following:
How will you bring about the following conversion?
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How the following conversion can be carried out?
Chloroethane to butane
Identify the following named reaction:
\[\ce{C2H5Br ->[Na/Dry ether] C2H5 - C2H5}\]
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\[\ce{R - CH2 - CCl2 - R ->[Peagent] R - C ≅ C - R}\]. The reagent is:-
Grignard reagent shows addition on
The product formed in the first step of the reaction
\[\begin{array}{cc}
\ce{Br}\phantom{......}\\
|\phantom{.......}\\
\ce{CH3-CH2-CH-CH2-CH-CH3}\\
\phantom{...............}|\\
\phantom{................}\ce{Br}
\end{array}\]
with excess Mg/Et2O(Et = C2H5) is:
Explain why Grignard reagents should be prepared under anhydrous conditions?
