Summary
Summary Hydrogen and its compounds
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Handwritten cheat sheet for Hydrogen and its compounds by JEE 2020, GATE, CSIR topper.
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Heydrcgenand it conpcundsBsopexties of H
ightest elenent
Most ahandart in Univexse i fuaion in stars.
aRogue element Place nt Fixed
4 O.N.
xest all H Cxp12 Grp 2
Elechysis of ionic. halldes CON =-)
CAA ahode)
2H> H, t 2 e
dsotapes
) Protium:H p
2) Deutex ium: H -D
3) Taihium : H;- T
LRadicacive iYarely Found
Alheugh bond stangh. incKcageg fom R to D, to I but
Hhe ond lengah remains same
AH Noom T, 25% paxa. (Moxe Stabe)
75% oxtho
This isdue
onesgy suplied
he extaxnal enea
The d- block metals make hydide with Hexcept
G, Mn a his is toon aa hychde gp
, HO D,O
Onlyg in vegpect coith ee di-elecic constaut
delechrit constant is he
abilty of solvent to brea
down an ionic solid " Hao's D.ODa in dak pToper
) HeO> D,o dissociaton constant
* Hasdnesg of watex
Haxd catox is such ater hich doeg not form
Jatex cwtth soap
Soapi- Sodiurn Staasate CC,HCoONa)
> Cy Has Coo+ Nat
f awater corntins Ca/M,* CM"J
MM*+ 2Cn fHsgcoo’C,.coo),M preipitate
OnyCofHoM2t) SO, salts are signticantysolable
hasdness Due to bicosboncte Salts. Can be
Ternpay dremoved by
byailing
Pexmaned haxdne8g - Due to So c Canot be
Xemeued by boiling Haxdness Can be
removed by adding lime CalOH)) the
Ca is preapitoted s Caco, but
pseaptateg as Mg
Haxdnese of atex is expreABed in Jesms_ofF PPm.ppm.
drrespecve ofcf cwhethex he haxdnegs is Caused by Car co
Mg. Haxdnesg is expreszed in toms_of mas8
gms ohich con be proc. t of of cuater
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