.
1
mechanism.
2-Bromo-2-methyl
butane, 1-Bromopentane, 2-Bromopentane 1
,
atomic mass of 
)
2
and
Xenon are mixed together. 1
(ii)
.
1
(ii)
(b)
Give reasons for the
following: 1
(i)
Nitric oxide becomes brown when released in air.
(ii)
is
ionic in nature in the solid state.
(b)
Primary structure of protein?
solution
1
(b)
at
anode 1
(c)
Aqueous 
solution
using silver electrodes. 1
What
happens when (Give only reactions) :
(a)
Chlorobenzene is subjected to
hydrolysis. 1
(b)
Ethyl chloride is treated with aq. 
.
1
(c)
Methyl chloride is heated with 
.
1
is a
liquid and 
is a
gas. 1
(b)
is more
reactive than 
.
1
(c)
dimerises
to form 
.
1
1
(ii)
1
(b)
What happens when ethanol is heated with concentrated at
453K? 1
.
1
(b)
Role of Silica in extraction of copper. 1
(c)
in the
extraction of silver from a silver ore. 1
(b)
What are emulsions? Write two applications of emulsification.
(ii)
1
(iii)
1
1
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