Give a note on the following.
Addition reaction

Give a note on the following. Substitution reaction

How would you account for the following:Addition reaction of sodium hydorgen sulphite Is useful for separation and purification of a!dehydes.

Write the products formed in the following addition reactions. a) CH_(2)=CH_(2)+HClrarr...... b) CH-=CH+2H_(2)rarr......

Give a note on the following. Nucleophiles

Write a note on the following:Enantiomers

Write short notes on the following: i)Carbylamine reaction ii) Diazotisation iii) Hoffmảnn's bromamide reaction iv) Coupling reaction v) Ammonolysis vi) Acetylation vii) Gabriel phthalimide śynthesis.

Write critical notes on the following: Biomagnification

Write critical notes on the following: Eutrophication