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The document discusses the classification of substances based on their ability to conduct electricity in solution, distinguishing between electrolytes and non-electrolytes. It covers concepts such as strong and weak electrolytes, dissociation, and various theories explaining acid-base behavior, including Arrhenius and Bronsted-Lowry theories. Additionally, it highlights the limitations of these theories and the importance of solvent effects on acid and base strength.
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Save Ionic equilibrium For Later gonie equine
x According to michal Farackay , Sobstances @e clawified
ints two categoviet bayed on their abi.tity fe Conduct
Electricity in Solaction.
do net conduct electici ty in 43, Sof)
fs called Non tleckolyle
Substances —|
conduct ele ck tcity ig ag sol fs
called eleckoly te.
shong elackoly-e cueak eleckobyfe
= Completely dissociake inte ion — poditially ditoctale into
7 Strong acids | Shorg boxer salle _, apow acsdy tweak bares
,
HaSey HA, Wao KOH, Hack CUgcooH HOH
* Donic eq deads coith The ey df any Sobetance | worth
ide fora in colediay,
ey th
fe"? 4 sw = [Fe Cew)]
@ ey x)
Asshenive theory gq electolytie Soputiog
he .
i Theo explard the mechanitny A Eledeolpris and
Abn, :
ermal behaviour 4& elecholyles in lilvk Solutions.
@ scanned with OKEN ScannerThe main postolater A This Theory ave
In aqveove soleetion, the molecoles 4 an Elecholyle
ondeygo Spontaneous disgocGosion ioto positive ang
negadive form the Positively chadged fory ak callod
cations and negabively charged ions ade cabled aniory,
when a covrent Q elechiciy is palied through a
Solution an electoyle , The positively Chodged ions
Move towards anode and lote theis chages and
Convert int products . this movement c} fons conctifrks
The che chic covrent in the Solution
3A dynamic eguitibyium , called the fonic equi Lbrivy
ie ettabtished between The iont and ondivacialee
Molecules.
AB = ata we
4. the Pro pertics 4 solution Q elecholyrles ae
euentally The pyoparties 8) individual ion.
6. the Pyaction Q the -trtal numbey Q molecues
Undergeing dissociation ig called The * degvee
& dissociation ted)”. AHEX nadively , the -feachog
Q the amoont & the elechole in solution
Present as Free ions ie Called the degves Q
divociatio.
& d
@ scanned with OKEN Scanneref = Number Molecvler dL elechviyle dittocialed as ions
Total number 4 molecules 4 electolye ditavlvect
x = amovot @ electolyle dissaciated
Inital amount
D.o.D@ INncrveaces with dilution and Yeaches fh maxi mun
Umit (ovity ad intinie dilution for weak electrolytes.
Factove chin degree & diwoctadion z.
@ kate Q solvle stong Elechrolydes have high
Valve Q DoD while weak electrolytes have
Lower values
(b) Notuse Q sotvent Deqee Gf digsociation A an
Elechoiyfe increases with the poladily df Ts Solvent
© concentrediion 3
Dod ¥ eleckolyle |, , cone A electoyle T
@) Temporabude ;-
Don J elechrolyk tr Teenp solution T
© Audition A) Sher species :
Addition J) another SPecies (Solvle) having day fen
Common +o thd A weax Elecholyle shows a cLerveries
d-od | Weak electrolyte (commen effect).
@ scanned with OKEN Scannerx Add? aye svobstanes thet digolve in water tr
give hy dvogen fons called protons
HA == Hts a
Ka = CHICA
Al
% Bayes ade sobstancet thed digcotve 7 tho
1 give hydvoxy ions
BoH == Bhs of
k= C8d Con]
C Rou]
XO bode proton cet) ie vay yeachve and
Can not exich Freely in water. i¢ vey
Sma size By. rt hos an inknsive elactic
Field It hinds +> ondgen adorn 4). Solvent
Molecole to give an ion, damit SioSiy called
hydvonium Ton (448°):
@ scanned with OKEN Scannerostwalds dilutron law
at cakes that the cegree Bi diggociadvon Qa weae
electrolyte increales with increake dilution @y
decveare in Concentcction.
ABS A+B
tzo ce ° 6
teey Cw ee
oe, ale Ge ee
Cagj C-Co law
For weak Elecholy}es
AX eel sy led al Ve dk L0.5-y oF 0-05
ow vak 4%
be
NT ch et
Woictiaxy
Weak acid weak beaut
Kg = Ca Ky = Cah
<> fe o = | Xb
a lee
4 yo
ia
\ he
5 ame Acid ka, Ka Ar Same bare Fb, = Moy
Dec o)
[2 fe
oe a [=
@ scanned with OKEN ScannerFov Weak elackolye , oF infinite dilation |
Conanrkotion appwachos 2<10 (lenay= | 27 (00-1)
“this Law te only fay wea elacholy.
Theories Q acist and Rates 2-
O Arrhenius theory ¢-
Acid <- The sobctanies which divociater -to give
Hf ione when dipowed io wate
wo
WT foo donat in ag cof
EXD He, H)S0q He Poy CH COOH A
:
Hd, —+H 4 ©
ae) @) ey)
|e
+10 + tao,
H6' 1° sy. Oy Hoy a2, Hoy,
Oe Z-
BAe = the cobebner hics dissociates +0 give
OH ions cohen. digsoived in Heo
Ow
OH ion danadx in ay soi?
Es Mol 1 MOH) Ae ek.
WaOH, Bay), ”
Bou He. Beant eg,
[pee ne Ae
Heer 4°, Ho, hy ho,
@ scanned with OKEN Scanner» B on, or HBA, is not a Aryhenivs acid ov Bale
x the Strength Qtke add ov bate depends upon 4
tenconcy to Zornish HT or of jong * solution.
¥ WoO HF ions furnished by an add nits
A solution fc called basicity or proticiy .
* bo. & OH ions Povnished by the bare in 142 Sol”
Called addi
Acids
\
Mono hawic acid Diba add Tibatic acial
* 40%N Ish only one — ¥ FoYNish two * Fornih Three
H* jon per motecde Ht fons Pemolecole, Ht fork Po.
Molecoie
FAD HNOs | Hod HaS0y | HsP 0, HyPoy
Base
wom tr. oh bate
X FuNnish only one > FUAMIA, wo OF ¥ Furnish Three
ia i HH ione pa
ON: font pemnpdecole ANY EGLgplecw se habeus
58 NOH , C8OH WHO Bah, can), FeOH) % 6,
x Prvhenius eaplained the formation d Hot
x According to tevheniue water ic q nevkal Compounes.
@ scanned with OKEN ScannerLimitakione
:
x This concept is Limited tr aqvecet Solution only.
x 1 Gan net explain the addic Chadacter gq certain
salle Atte Alcla) BR and bare Chanact» Q WAs P4,
1+ Can nok be applied to Compounds cohich do
rot contain, ee Ht ov GH fons.
Bronsled - Lowery Add ¢ Bare, Concept
ferd Bare
aH" donad ic called add fut acceptor fc called Baye
we WH +cd .
? a Conte” a= HC0y
HY 44+ k =
% AML adabenive adds fra |x HL ADhenive baset dre
bronsled acids hot bronckd basee
ANH, +H = wHy + CL
Bax-2 Add Bayer Add-a
Comtus conrogahe
B03
aci
* The acid and Bare cohicu differ y s rel
4 Said to fbn Conrugle acid- bare poiv.
CHaCOH + Hed a He + ctygod”
ConTugate ciel - bare pai’
@ scanned with OKEN Scannertonugade add bar Pal
Acid ——> Congugale Bae+H"| Base + H* + Contugale acid
Cstrong @eak) wer Grong)
(wear) acid (Chong) aw)
HNO, —> NO, + HT Heo, + HY —+> H,C0,
(stony) (eax) Baw cA
CR (chong) (eat)
HE ——3 € + Ht ioe
odes hong tool ae a
8 pe (Stang)
Per
Conqugale Base Gade CanFugale acid
Halo a
Ghat cee Mu, (gta PHT CD
Be 7
Or = Fw ©) G Hal —> Go Hy Op)
(69 GS AL Gti WR @
o © CLD —+ Hou
(ya 0, —> Hoa) &
WHA — Gey
(NH, —> MHL)
Hs C.0 ae
(oop BOP HG 04
©)
Amphi protic Species
Ht donor as wen as H? acceptor
ait cope wt
Hea, ee tis
tHPS Hy CO, +y ths
@ scanned with OKEN Scanner2
a - Ale» HPo,
to-B-3 = HoPo, ee 7
to +> Hs Pa,
° + sh
H-o-f_= = Hsp, a7 HPS
H
! THE Hg Pog
aches — tt p90,”
Lee é
H
TH ig nh a H3P0,,
Gmphipre tre
According to ®ronded - low oy theory ater isa
Amphoterre in Nate.
x
#20 -+H30 —3 H,07+ off
WuWotisasion pA chimical ven Wo add and Bae
thad dice salt Qld Ha0.Dn this vxo acid)
donates 'a proto to the Baye, Porm) comtupate ae} -bare
pair:
Leveling effect <- au shong and min dal acey
ode AKU Med ty undegr comploke fontsation iq
aRveous codvtion suck acids in weer tionally
48m ae 107.
¥ the Skongest Acid 5) AY Solakion is Hho" Here
it is difCOH fo distinguid, ble The ctengthe
us shong adds io waky.
@ scanned with OKEN Scannerx ALL song acide in ag solution finally have
Stmi lark concentration Q +h". This /¢ Cablect Leveting
edeect Shani lady au Stong, bayer in ap Sol” Finally
have Similar concenhation Q otf
tho sength Qe an acid depends on the Solvent
ESi the acidt Hotoy HySoy HU, HY, aU appead
to have newly same shength in ag Sol, bur
thein sVength IS 19 Oded Hdloy rHySOy7 HE» HM
19 acetic acid (non aqueus Solvent).
¥ Siomi lady the Yelabive shengtt a Shong bare
(an be stodied in a non ap Solvent VEC Ney.
Relvanteges t-
x Bronsted - Lowen theory explains acd - hase
behaviow. even in nm aqueous Colution
* Th explains the babe nekure Q neh , pth co
ANd the Povmaction BL thom.
¥ this theory 1S MO Jengadi sed £Ncomparing
WH Number A acids ard baer than ayhoniue
theovg
Limitedions
¥ Tt does not expfoin th, acicic nate FH
elechn deficient species Lila BF, atch He
@ scanned with OKEN ScannerDU faite +o explain acidic nodure 3 non metallic
Onider and hake nadwe % metal ox des
» tf heal d’rgouation
OS Nevtratisattar,
Lewit- acid - Baye theory
Add
— bone pair accephy
¥ antral edom hav iy,
In Rote (defiant)
ae in Ach, ae
“Mo lecot caitk murpl
*hotds blo diccimilas atoms
COs, 50, 503
° =§ 5
¥ A mock ALL Giple Cobany
#5", wat Lit at? ath
X canbe atom hava vacont|
a- ovbidals ( enrpand id oc)
Sty Se Sach Sncly
Px) Pky
+ Atoms with Faded
contguebiay
0, S, & ee—
Y acide and bares ia weer
Bare
— hone pain donad
% antral atom have tore
paly L elechong
‘Buy HO RBA RBH ok
x ‘Polecets Witk moltiple
brn Yo Smita abou
Cp = =U, CH 2c seo:
a Mn wake
eobve|
¥ AUK anions odo Lewie
bayer
OW, ou™
@ scanned with OKEN Scannerx Hy either Lewie acd nor Lewis bate
x AU BR Ce OB Rut al LR aX Not BR
Ch +HT > Gen
8B Cmtzugede acid
LR LA ”
€
a
HN + BF, —> H-W 4 R-F
LR oa 4 \
Gaic pe BR
nutralicatio i Pormadion i Co-ordinate covalent
bond bw acd ~ Bae
H,N2 + BR > Hv BR
DYaw back
D eid bax Nevbalisakion yeacton ae paty
bok as pd lewis H Chou & Low
© Tt Could mot explJ9 abot add -bale Shoot.
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