Use & compounds of carbon - p Block Elements Video Lecture - Class 11

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about some of the uses of carbon see
carbon is fiber is embedded with plastic
materials to improve the strength you
see in the tennis racket is these fibers
the classifier word but you embed the
carbon in this to give it strength to it
and that's what's required right because
it is very V the Guanche or it will
break you want this to be strong also
carbon is used here in this in the
tennis racket also it is use the air
crafts the fishing rods it is also used
the carbon in the form of graphite is
using the batteries and also it is used
for electrolysis in the industry it is
also used to make you sicker than I told
by graphite is very has very high
melting point it is resistant to heat so
it is used in to Sybil's also it is in
order to dilute assets in the toad
carbon doesn't react with alkali in
assets so it is used as crucibles right
since it is highly porous the the
charcoal is used in absorbing poisonous
gas there's some poisonous gas somewhere
the charcoal is used to absorb that gas
now it is using water filters right and
it's also used to in air conditioner
actually you can see the AC right they
use the charcoal there because it can
control the bad smell the carbon black
is used in the ink it is also used named
it also using the tires actually the
coat is also used in the metallurgy a
lot lot use food is producing it in
because very cheap and in the industry
you want to produce things cheaper rate
focus that we should leave level so this
reduces reducing agent in the metallurgy
industry a lot diamond if you see it has
shine this precious stone it is used in
jewelry a lot one carat is only but 200
milligram so these are the use of carbon
in fact there are more carbon display to
discuss in
hydrocarbon chapter so we had two
components of carbon actually will
discuss one is the carbon dioxide there
is a carbon below site so let's start
with the carbon monoxide here so couple
also is nothing but a colorless
or the less water insoluble gases gas
which is almost colorless odorless and
so you see a common one is see it
doesn't form any complex structure right
and that's why it's gets so my do you
think of graphs you can think of a
structure right that's why you have to
think every time you think of a compound
with in widest gas why it is high
melting point why does the ionization
energy right so if you didn't come when
I say see the structure is pretty simple
so it is gas correct this is a very
strong reducing agent
why because air if you see the carbon
has off logística plus 2 in common
inside carbon always want to have
oxidation state of plus particle is more
stable so carbon will always oxidize to
+4 it'll oxidize itself and it will duty
with others so it act as a very strong
reducing agent
alright because carbon monoxide carbon
he'll oxidation state of +2 which is not
very stable carbon wants to be +4
oxidation states right on this goes to
plus 1 it becomes oxidized it does it as
a good produced so heated use almost all
the metal oxides other than alkaline
alkaline earth metal because they are
more powerful reducing agent exactly so
it's like a comparison of sodium and
Oracle Kaba
so carbon plus so if you see sodium
compare so near so slowly and has more
tendency to become n across the country
to become carbon this tendency the other
mode so sodium is a bigger is a more
stronger reducing agent than carbon so
you can't reduce sodium with common
right because the sodium is most on the
reducing agent right and also some of
the alkaline earth example anybody
volume is also has a higher tendency to
form a mere do al plus 3 then the
tendency of carbon to form C plus both
from CA plus 2 so it can reduce most and
is widely used why because it is very
cheaply available
they are stronger reducing agent then
carbon but they are constant so in the
industry generally use common looks like
they beat all your sodium odd many maybe
this really costly but this is very
cheap
okay so this is also used for extraction
of mini metal from the horse example
this case right common oxide is used to
oxidize sorry you'd use this in this
case it is oxidation students plus 3
here it is zero so it got reduced and if
Fe to see leave the ore of iron from
this you got say hair of ABC zinc was
plus to begin zero it caught the news
right using carbon monoxide and you got
Jake so using this radiation property of
carbon monoxide it is also used for
attraction of many metals from there
because it alright these metals are the
metals are reactive and they exist in
the oxide form this we have discussed
when we discussed about the maintance
weight and these metals has to be
reduced to the metal form and the good
and cheap reducing agent is cup over
oxide right and please note how I'm
gonna say is highly poisonous comments
and as such is not poisonous very simple
compound is it can must be kinda much
but it is high it was this way because
it has led to form complex conform with
you correct so if you see the carbon
monoxide surface is very simple rates
this is a very simple gas Willie carbon
oxygen that Sun but it is very poisonous
why because then it combines with
hemoglobin
it forms a very complex compound so the
question is why car when I say this
complex it's very simple it looks very
simple rate was so this is very
dangerous it is because o it makes it
possible complex correct
this is a good example can be an example
you have inspired this pie looks very
cute
every small boy maybe in the spy in your
gang this guy looks very very innocent
but if this guy pass the information to
get suppose other group it may break
your group same thing common side looks
very small and
you really simple but when combined with
hemoglobin forms very dangerous that's
right sample and if you see the carbon
monoxide structure it has one Sigma and
two pi bond that's where the structure
is right one Sigma and to pile once it
went the first born until the I'm going
to bond the two pi bonds and dad also
lone pairs right it has lone pair would
cover and also see now with this it act
as a donor of dual pair and then it
reacts with certain bitters it forms
metal carbonyls see the reaction can be
a give a presenter Lincoln when react
with carbon monoxide you feed this 335
kill then you get a carbon I see oh I
didn't also get it for the monoxide he
get Penta carbonyl correct so if we heat
this table you know same with metals
because the lone pairs
it forms see we have seen lot of issues
of carbon dioxide in the industry the
question is have to prepare it because
it's useful so let's prepare it right so
the first option is we have is carbon
you heat it the limited supply of oxygen
it gives you carbon very simple process
it can also be prepared by a dehydration
of formic acid and this gives a fewer
towel or set you want real pure
carnosine you can have this formic acid
you can just dehydrate this with the
sulfuric acid and you get carbon
monoxide and 373 Kelvin or on the
commercial sales since it cost me what
you can do is we can have this coke hot
pour you pass this with the steam wait
you have this quote you pass with the
steam and then you get c1 - - this is
water gas of seeing gas we discuss
what's in the last chapter water that
for sale yeah this is also where carbon
purusa right so as you know this if you
use air to use air then you have to use
night
also hey there also you get come on
excited maintenance this is gone
togusa days this mixture is gone for
each others their various be to prepare
carbon monoxide let's talk about the
next compound called carbon dioxide
let's talk about the carbon components
carbon dioxide it is also colorless and
odorless gas in there to carbon monoxide
this has very low solubility in water
and this is used in biochemical and
geochemical important because low
soluble in water and this water it forms
carbonic acid it's a very be dibasic
acid a basic acid since it is a static
in nature it combines with alkaline to
form metal carbonates example if you see
you react carbon dioxide with water what
if it is alright so this is what it
gives little bubbles and this is not
poisonous this video clip and this
increase in carbon dioxide level being
lethal increase in greenhouse effect
which must be listening in the radio or
newspapers or TV channels saying that
the temperature of the earth is
increasing curve the increase in carbon
dioxide because we have our factories
and we are cutting down trees the carbon
rising level is increasing and carbon
dioxide traps sunlight and increases the
heat right so with that the temperature
of the whole earth is increasing it's a
very serious issue because the plant
Glacia will mint and the Cleese it bends
all this coastal region will be in water
so it's a very serious issue and that's
why everybody's trying to decrease the
concentration of carbon dioxide by
planting more trees and taking all the
moving initiatives right and if you see
in carbon dioxide the carbon goes
through SP hybridisation to see the
shape of this something like this see
and this is a high grade fabric oracle
hybridized tape of this
for it the resonance shape of carbon
dies in this entry form here in
instructions in the ribbon structure of
carbon dioxide let's talk about the
preparation of appetizers it can easily
be prepared by burning carbon with
exists please know it has to be excess
so carbon plus X is a I will give you
carbon dioxide all you have the median
also you hate in exhaustion I will give
you carbon dioxide in the lab you can
take calcium carbonate and react with
hydrochloric acid you will get pure
carbon dioxide on the commercial sphere
is prepared by heating limestone this is
calcium when you heat it you get
paralyzed let's talk about the excess of
carbon dioxide the first is it is used
in the photosynthesis by plant and the
plant use this premium they are full you
see this is carbon dioxide this is
beautiful because no sunlight plant
prepares food it is used as a dry ice in
the refrigerator if you see in the
refrigerator have something called dry
ice which is something which the
critical component for the theater and
that there we use carbon dioxide it is
use now soft and soft things you see the
bubbles here right we talked about this
in the living shaft may be talked that
this carbon dioxide there is mixed to
this liquid or coke that's why you see
this bubbles soft rings nice and soft
and cross of carbon dioxide is used it
is used as a fire extinguisher also law
and it is used in the preparation of
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