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Reverse Hyperconjugation : The method of hyperconjugation is as well observed in the system given below,
In such type of system the effect operates in the opposite direction. Therefore the hyperconjugation in such system is termed as reverse hyperconjugation.
The deactivating effect and meta directing affect of CX3 group in electrophilic aromatic substitution reaction can be described by this effect.
When an electron jumps from L to K shell: (1) Energy is absorbed (2) Energy is released (3) Energy is sometimes absorbed and sometimes released (4) Energy is nei
Q. Explain: Vulcanization of rubber is necessary. Ans. Importance of vulcanization of rubber: 1. Vulcanization makes cross-links between the long unsaturat
What is Tube extrusion Billet is placed inside a container between die and mandel. Mandel is pressed by ram and metal is extruded through the die. This process is used for m
Cyclic or closed-chain compounds Cyclic compounds consist of at least one ring or closed chain of atoms. The compounds along with just only one ring of atoms in the molecule a
What types of detergent remove oils and fats
Criteria of purity of organic compounds The purity of an organic compound can be determined by ascertaining its some physical constants such as m.p., b.p., defined gravity, re
Field processing Certain processing techniques at the field itself could help to reduce the chances of spoilage of the fresh produce, specially during transportation. Fruits a
Determine the purpose of Quenching Quenching is most generally used to harden steel by introducing martensite, in which case steel should be rapidly cooled through its eutect
Properties of Styrene Styrene is a colourless liquid, boiling point 145°C. On keeping, it slowly changes into a solid polymer known as meta styrene. The polymerisation is fast
what is the name given to the impure copper obtained through this process
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