L23 Alkynes polymerization- Hydrocarbons, Class 11 Video Lecture

hello friends this video hydrocarbons
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calm no words we a from exam now let's
talk about polymerization off okay they
are two kind of collaboration linear and
slightly short what the medium fast so
what happens is under suitable condition
Lumiere alive collaboration with right
take place to produce colleague as Italy
or call it time for equal time she is
qualifying from behind again volley
right which has higher molecular weight
can be depleting we did some easy so
this cake is invest this way because I
had taken this from this you do a
polymerization you will get only fine
alright and under special conditions
sometimes this polymer also conducts
electricity and these are used as
electrodes in battles you see the
batteries then uses electrodes in the
magnets and they are connected they are
lighter and cheaper then metal connector
so they are poor substitute of metal
conductors talk about the cyclic
polymerization if the time is passed
were red hot iron to bind this much
right temperature then cyclic
polymerization happens and with this
they form then Z means benzene if you
know is starting material for a lot of
other you see this is the reaction I
have I think I took three signs right
I'm passing the red hot iron to you but
873 Kelvin I get benzene this is the
reaction happens this bond breaks these
bond breaks and so that you get this
that's a good question says how will you
convert it knowing is into benzene from
if I into benzene we know right you can
just pass this to a red hot tube in the
high temperature so you begin this
convert this ethanoic acid to do
the time we can do it right so I have C
o H here most what I can do it I can
remove this carbon dioxide water through
that I have to make sure iam salt so let
me do it let me make it a sodium salt
I'll pass this guy with NaOH
I'll get ch3 Co any and what correct
because it's a little acid you can react
with base to get sodium so now what I
can do it with this but I got I can pass
this guy with soda mine or the
electrolysis process also I can remove
this carbon dioxide Ronnie's right so
with this what I will get is me theme
correct but now I need Athene sorry I
need it hi Natalie
so methane to get Ethan from anything I
can do it how I can just do the
chlorination of this ch3cl and then
using whose reaction by this chlorine
will go and I didn't get Ethan so I let
me do one thing let me pause this to
chlorine acting right and I'll get CH d
CL is the major product and I'll take
two CS c CL actually I'll take sodium
dry ether using whose reaction I'll get
you think I've Ethan now I have to phone
if I'm correct from Ethan - if I know if
I get design I can get is bending easily
from Ethan I have to get design what I
can do is I can now do the progenation I
can get some chloride here and then I
can remove those HCL right or I can I
have VR VI f ever chlorine or -
Bowmanville because i can remove them
easily so let's do that so again let's
we pass this pouring gas so I get C 2 H
5 CL and let me remove this SC
it's called the hydrohalogenation so
I'll get ch2 double bond CH 2 similarly
again I have to make it triple bond here
so what i can do is i can pass again
with thrown in here so i'll get CH -
yeah / - yeah right here let me remove
this bromine ashley is growing at me
very easy using Iranian history so I get
C ester bond CH so once I have CH
tipping points yes I can use this a
red-hot iron 1873 can make this now we
learn it I will use three of these and I
get this was I think I have learned so
from this ch3 see how much I got to see
a CC when a but I got meeting a meeting
I got eat ham correct a meeting and I
waited he even in life thank you visit
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