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Ozone layer depletion

  Ozone layer depletion  Notes:- Ozone (O 3 ) depletion does not cause global warming, but both of these environmental problems have a common cause:  - human activities that release pollutants intothe atmosphere altering it. Global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

Periodic table

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Oxidation State

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Grignard reagent formation and reactions

Grignard reagent  Grignard reactions for class 11th , 12th and NEET, IIT, JEE mains, AIIMS and other competitions exams.  Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're extremely good nucleophiles, reacting with electrophiles such as carbonyl compounds (aldehydes, ketones, esters, carbon dioxide, etc) and epoxides.

Covid 19 related most important questions

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Hybridization

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