What happens when(a) Sodium phenoxide is treated whith CH3Cl(b) CH2=CH-CH2-OH is oxidized by pcc(c) Phenol is treated with CH3COCl/ anhydrous AlCl3

(a)(b) CH2=CH-CH2-OH pccCH2=CH-CHOProp-1-enol Prop-1-enal(c)

Q22 of 47 Page 1

What happens when
(a) Sodium phenoxide is treated whith CH₃Cl

(b) CH₂=CH-CH₂-OH is oxidized by pcc

(c) Phenol is treated with CH₃COCl/ anhydrous AlCl₃

(a)

(b) CH₂=CH-CH₂-OH ^pccCH₂=CH-CHO

Prop-1-enol Prop-1-enal

(c)

Write the names of two fuels other than hydrogen used in fuel cell. Write two advantages of fuel cell over an ordinary cell.

Give reasons for the following:

a) Acidic character decreases from N₂O₃ to Bi₂O_3.

b) All the P-Cl bonds in PCl₅ are not equivalent.

c) HF is a weaker acid than HCl in an aqueous solution.

Write the structure of Monomers used to obtain the following polymers:

(a) Natural rubber

(b) PVC

Write the mechanism of free radical polymerization of ethene.

Define the following terms with suitable example of each:

(a) Tertiary structure of protein

(b) Essential amino acid