P block elements assignment

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Biology notes class 11th.Pdf

CBSE Class 12 Biology Notes: Chapter wise CBSE Class 12 Biology Notes are provided to help student prepare well for the exams. Through CBSE Notes for Class 12 Biology students can make the most out of their study time. Biology Notes for Class 12 include well-researched information about all the chapter topics and students will be able to understand each topic clearly. With these CBSE Notes for Class 12 Biology, students will further be able to revise all the important topics quickly and be stress-free especially before the board examinations. The CBSE Class 12 Biology Notes have been prepared by subject experts and covers each chapter in detail. Additionally, these CBSE Class 12 Biology Notes involve both the questions and answers which are most expected to appear in Class 12 board examination. Students will also find neat and labelled diagrams to all the questions that are mainly based on the NCERT textbook. Students can refer these CBSE Class 12 Biology Notes both for their home ass...
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Which is more acidic -benzene or styrene

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Benzene and styrene both are aromatic compound and have special chemical and industrial properties.   Here we are going to discuss their acid-base properties .  Benzene have electron density cloud above and below the Internuclear axis. Due to this benzene acts as the nucleophile.            On treating with acid, pi bonds are get Delocalised and carbocation is formed.   Due to Delocalisation of pi bonds, carbocation Or conjugate  acid become stable .  Similarly,in styrene ,benzylic carbocation  also become more stable due to delocalisation of pi electrons or bond.  But carbocation formed in this case is  benzylic cation which is more stable than benzene cation .  Extra stability in benzylic cation is due to greater resonating structures- Now question is that , out of  benzene and styrene   , which one is more acidic?    Basic properties of_ of a molecule is determined by st...
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