Scan Oct 23, 2020

a

EAR. 2020
TEABHER.B Chan

Podution of ammonta in loxboralory

Miulure o

ammonid

Chlornde a

raleuvw kpboidt

Heat

Ahydtou s ,hler une

calcum oxide Beoker

Chemical equaton 2NH,CI CalOH), aCl+ 2H,0 2NH Mmoig te hmus

Consmutoy Test for Ammonia

Rt a spatula of sdid annonum chlornide, NH.CI mfo a test tube.
2. 4n o dhte calium hdtonide solutron, Ca(OH), into the Test fabe
3. he mixtare is heatad slouly

A ptie Molst.red lims perper b phrd at the math the test tu.

ohsenvaten ownCnum chloade

Moist led htmus pyper tuins hut
Pengnt mell is pruducerk.

Chental bonds in ammonta molecue and beleen olecules

) Covalent bondk

Nitagen afom has 7 prólons and 1 tlectrons. The Hydfogen afom hes proton nd lelatron. The edectron

electron arangement is 2.5. ArangemenT s .

Niroen atom 3 more electrons to athitve stable octe Hdoqenafe nrereadnsenItnMtore
deplei electron
eleefron 0rongemnl electhon To adhleve staA

Each artoqen atom confributes 3 elecfrons dor Fxh 3 hydrogen atoms Conribate elatan or

shoM shunng
Th ifogen qtom
3 hydrogen aloms Share 3 palrs electrons

3 3e ovaent bods are omed befivePn hitroqen om and ydogen afom

A Covalent (ompound Nt, ormed

Draqfam

Ammonie molerul, NH 3

Hydioqenbond

Nitden afom fhe moe eRciro neualNe Atom so the pair electrons sha(e in fhe bond afe Close

ith the nioqen bond (ompare to hydroqen ben Mom and parfal nedive

2.Thts Ieds fo te Hrmaton o parirally posglive chaqe on hydroye

Chanqe on nioqen atom

Earfgly postfre hanged hydugen afom then attracted by the other partally eqaive chared

nrocen oom to om hydoqen bond

A. A sivom hydrogen bord is formed in ammon'q

H-N-H

H-N-H----:-H

H

( Yarperves

() Phystcal properles

Alkaltne

Yhystaal propeies

ammonioa

Colouress

Konapnt Smel

(a) Chemical poperlies

Ammonia reads with carbon doide to prodne ammonum su phnlk

2NH HL o (NH«), S0%

Ammonta eats ith oxyen fo produce nitogen q9s an aufer

NH3 O Na H,o

Armmonta reacts wth hydruchlerick 4rnd fo prodyue ammonNm chlonde sait

NH3 4HCI>NH,CI

(d)Uses ammonty

Fertlhiser

es

Explo ammbnio Tectles

(a)Examples Ftlers

Ammonium sdphate, (NH),Soa Ammonium niale, NH,NO

Ammonaum phosphate, (NH ),PO

(6) Frodudon o Ua fhrough reacton beteen qm monioa qnd corhon diaida.

Ammonia tarbon dioxrde ammonum cUrbond
2NH Co, NH(Onit3

(Delem the quaty vanous Typs fammonium tetillses ed on their PTPn

o ntoen by es and chose the bes Atlser and sey.

Orea

percenTaqe logen by mass 214) xI0O%
(14)+ 40)+ 1+ 2

:4-67

Ammonm nllate 2(4)

kreniaqa 4 ndmn by mas5 2 (1+) + 4()+ 3)007,

Ammonum sphe 351

enannaeniqen Mas5 )y2(11342) 4(8) x100

.Ure s fhe best tltger. Thts s btqus it has the highest preea nitroden by m

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