Organic Chemistry Answers

Which of the following species is the least nucleophilic? Justify

(A) (CH3)3CO- (B) H2O (C) (CH3)3N (D) BF3 (E)CN?

 Which isomer undergoes SN1 reaction most rapidly? Justify.

(A) 1-bromo-1-butene (B) 2-bromo-1-butene

(C) 3-bromo-1-butene (D) 4-bromo-1-butene

How will you synthesise valine using Gabriel phthalimide synthesis? Explain giving the sequence of reactions involved.

if the O2 is reacting at the rate of 0.25 Ms-1,

calculate:

i. rate of NO2

Write the chemical reaction equation for Primary Aromatic Amine, Secondary Aromatic Amine and Tertiary Aromatic Amine.

P, Q and R is An intermediate in the production of commodities such as herbicides, dyestuffs and rubber(C7H7Cl)

a) what is molecular structure of C7H7Cl

b)Regardless of compound P, Q and R; which pair of the molecules are isomeric and give a reason.

c)Give the possibility of structure P, Q and R with a correct nomenclature.

 Draw the possible constitutional isomers of C3H6O. Circle and name the functional groups which are present. 

Complete the following reactions:H3C Br H3C CH3CONa/CH3CH2OH

Write the mechanism for Knoevenagel condensation. 

How you will distinguish between aldehydes and ketones?