North Maharashtra University 2009 B.Sc Chemistry Green - Question Paper

S.Y.B.Sc. CH-221( Inorganic Chemistry)

*Green Chemistry*

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ques. for two Marks.
1) discuss the term “Green Chemistry”.
2) describe the “E-factor”.
3) compute the % atom economy of the subsequent reaction.
a. + Cl2 Fe ––Cl +HCl [At.Wt. H=1,C=12 & Cl=35.5]
b. C6H6 +CH3Cl AlCl3 Ph-CH3+HCl [At.Wt. H=1,C=12 & Cl=35.5]
c. + ether [At.Wt. C=12 , H=1]
O
d. + O2 catalyst + H2O [At.Wt. H=1,C=12 & O=16]
77
O
COOH C
e. + NH3 ? NH+2H2O [At. Wt. C=12, H=1]
COOH C [O=16, N=14]


ques. for three Marks.
1) discuss the folloeing terms
a. Enantioselectivity.
b. Diastereoselectivity.
c. Regioselectivity.
d. Chemoselectivity.
e. Atom economy.

ques. for four Marks.
1) Write a short note on ‘Atom economy’ in industrial process.
2) Write a short note on selectivity in chemical reaction.
3) provide the importance of Green chemistry.

ques. for six Marks.
1) discuss the principle of ‘Green chemistry’.

Earning:   Approval pending.