Q17 of 31 Page 1

Write the major monohalo product(s) in each of the following reactions:

A.


B.


C.

a)



b) The reaction is an example of anti-markovnikoff’s rule where negative part of H-Br goes to carbon which has more number of hydrogen atoms and positive part of H-Br goes to the carbon which has less number of hydrogen atoms.



(H+ goes to the carbon having less no. of hydrogen atom)


(Br- goes to the carbon having less no. of hydrogen atom)


c)


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15

Calculate the boiling point of solution when 2g of was dissolved in 50g of water, assuming undergoes complete ionization.

 16

Assign reason for the following:

A. is a stronger reducing agent than


B. Sulphur shows more tendency for catenation than Oxygen.


C. Reducing character increases from HF to HI.

 18

Given reasons for the following:

A. Protonation of Phenols is difficult whereas ethanol easily undergoes protonation.


B. Boiling point of ethanol is higher than that of dimethyl ether.


C. Anisole on reaction with HI gives phenol and as main products and not iodobenzene and

19

Write the structures of A, B and C in the following reactions:

A.


B.