Chemical Properties of Group - 17 Elements (Part - 3) Video Lecture - NEET

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reaction of halogens with other hill
halogens and they form compound of in
television compound so I have a halogen
they react under Hajin and they form in
the heavier compound of this form or it
can be in this form or this form or
these these are all my inter halogen
compounds okay you have two different
halogen for example or xx7 example is
if7 my ex exactly sample is clf3
okay 4x X - 5 example can be BR f 5 well
X X - example can be sealed F or I see
so many example that fluorine is more
electronegative so it goes in the right
side chlorine is more electronegative
among iodine and chlorine so chlorine
goes on the right side okay so that's
how it is and these inter hydrogen
compounds they are more reactive than
their parent hazardous will see that
first let's talk about this preparation
of inter housing upon to the milk lorry
you will react with fluorine it forms
CLS will not say if CL why because
chlorine is Soudan is more
electronegative so chlorine will come on
the right this is a exact name and you
have to heap this is or what 573 Kelvin
so you get this into a halogen kebab
please notice i EF 7 is very reactive
it is very sorry after that it can react
with noble gas also and it react with
noble gas
oh right to form come out like xef to or
xef4 or XE xf6 kind of component form so
it reacts even with Nova was very very
very very reactive very reactive so
rarely their compound which react with
noble gas okay so as I've already told
for X exact I have these compounds
example for xx - 3 example can be clf3
or BR f 3 or I see a 3 for X exists 5 BR
f 5 is an example I F 5 is also a weapon
see an f5 is also for example and for f7
x XA 7 only example is I eat smell see
greater is the difference in the
electronegativity wouldn't X in X - okay
greater is the number of bond form with
the central atom for example iodine
chlorine the electronegativity
difference is the maximum see if
fluorine is for chlorine is 3.16 bro -
2.96 I'm talking about the
electronegativity iodine is two point
six six you see fluorine anion like
electronegativity difference is maximum
right so you have a f7 you have more
number of bonds with the central atom
and here also note fluorine is not
nothing - latter pile is a saint like if
we talk about no let's suppose fluorine
and chlorine the electronegative
difference is not that much
so if you see if chlorine and fluorine
you form you get this way no come on CL
f 5 CL f 3 CL f okay the difference in
the electronegativity chlorine and
bromine is very less almost only almost
point to depress okay so bromine
chlorine where is a compound you not
find many come on there is no combo
which
okay so it's all about the
electronegativity difference which plays
a role here an example iodine and
rooming okay I didn't blow me the
difference is also only 0.3 you see I we
are but there is no I BR 3 also there is
no IBF 5 there is no idea of 7 another
difference in their electronegativity is
less okay
so it is the electronegativity different
that tells you how many bonds it can go
okay and now all this impression has a
compound they all they all actually
covalent these are inter I have some
compounds they are covalent because all
these halogens they are in need for
electron they all want electrons they
are non metals nobody's me we need to
give electron right this is a metal and
a nonmetal born for example metal and
halogen bond then you not put any bond
there's a probability that one metal
will give for example sodium will give
electron to chlorine sodium loves to be
electron but the reaction between it was
clearly in fluorine chlorine doesn't
want to be electron foreign doesn't want
to give a transfer they form a covalent
bond they share electron so that's all
they ever have in the bound the bonded
covalent bond you don't need to remember
you don't need Umaga pause this thing
just understand the concepts if anybody
asks you why interest original forms are
over and only then is it is pretty
simple
see for ionic bond you need someone who
can give the electron can donate
electron but if you talk about inter
having compound's you have only halogens
no halogen is ready to give electron
since no halogen is ready to give
electron there is no transfer of
electron this is always sharing of
electron so we have a risk available
only in case of metal and some corrosion
we have chances of ionic bond and we
have seen that and that also some case
MX it has some covalent characteristic
some
ina characteristic those things we have
just discussed but in case of
interhalogen perp on ionic bond is not
possible at all
okay and also I don't these into housing
the bonds are more reactive than their
variant coupon okay you talked about the
shape for example you have this form so
this form of Capone will have trigonal
bipyramid using this X file will have
octahedral it does shape and this will
have pentagonal bi-pyramidal like six
seven only one upon ie f7 and by the
shape of these compounds okay so let's
take up one numerical all this the
question say is for reading submit only
minus 1 oxidation state in fact minus 1
and 0 also 0 in case of to wear another
hardness exam plus 1 plus three plus
five plus seven oxidation state it
explain the reason why the first reason
as the fluorine is most electronegative
since it is most electronegative in the
values for electronegativity values for
it cannot exhibit class oxidation state
it cannot exhibit it is not possible it
cannot exhibit class patients take why
because it can donate electron it will
never donate electron ok also it doesn't
have the orbital since it doesn't have D
orbital so doesn't have any D orbital it
cannot expand this arcade and show +1 +
3 + 5 1 + 7 or collision State so
because of these two reasons vs most
electronegative element are difficult to
donate electron and the second is no D
orbitals so it can't expand its octet
and
one half plus one plus three plus by one
plus seven oxidation state thank you
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