Salt Analysis

  • Uploaded by: Neil Mahaseth
  • 0
  • 0
  • April 2020
  • PDF

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA


Overview

Download & View Salt Analysis as PDF for free.

More details

  • Words: 1,136
  • Pages: 6
Salt Analysis Cations

-r---,

r----III Group Group IV Group Grcup IZero Group

Group l{cagcnt

--- - --

"

Radicals

--I

O.S. + NaOH + Heat

II Group

Pb

+ I-hS

O.S. + Hel

Cu

o

AF+,Fe:H O.S. + NH4Cl

+ NH;OH +I-hS

NiL+ ,MnL+ , ZI'?~C02+

\

Anions

[Group' ~~._--_. I

+ cone.

H2SO4

__

I ro .... ,.".

-

I

--

.

':'"

._~

.i

rI

\•..... :l>./lff-/.

" .....n.)L)~A 'r- U1J.

-.

I ... Cu KMn04 piece andso]n. heat 4)2 Mo04 ____ +IICone.HN03 + Heat Salt + Group

f

Group Reagent Radicals ---~---,--- -·'r-------~---_.----_ ,-, ),"".SO/'. S/... NO -

I __ ---L--

C2Ot;'2 .

)1.:111

.. '

-r

~

Add

I

[_._ .

/

1

Add

III Group .

I O.S. -+-

IV Group•

--L10S (NH

+-

BaCb

...

\....\ PO/NO]' S042• cr, Br - , r

-

_

_~.-

..

, CT,I3COO' "

-

Preliminary Tests ~--

T -·-----observ~;tion .

Test.

____

---, __

1. Physical

.

"~~

Appearance

__.

-;

~~.:_,-'----

.

~. __

'I~-.-------.-------------

:

Colour

·VhII.C 3111l' I

-.

~

+

_1

Ca~ ,

--::---J-

~fNI-!.l' ev+

!

-'--I'~N'

_Jr~'en

1

3ro\'·m

+

FeJ+

Rc.J

r --Light pink

SrndlofNH]

NH/

S:ll'~ll of vinegar

CH3COo-

I

Sm~l] of rotten c~g'·

filllyj

I~~til;g

Colourless

Violet

gas evolved

gas evolved

,

I

r

"

Crzlcklinr sound B'own 13.

red

ick red

Fbn;e Test

u_

residue

Gr'~enish ·blue

II II BaL+ C(1"<'- ---I Cu"+ ~1+

r-Light green

-~

--

I

~,

Test ~ for Cations (Basic Radicals) (1) Zero Group

+ NaOH + Heat 1-::--.----------.-

I~ O.S

_ Inference with HCI NH/ t------------.---~-~-~+

[C)bservation I "Ii/hite Fumes

L2:§_~_', ._N_Te_s_s_ie_r_·'_s_R __e_a_~g~e_n_t __ U)_·'r._o_v ..II.l .PP.t.__ ~ __ .

LN_H--'4'-

(2) Fkst Group --

\

O.S.-= Dil.HCI O.S -I- K2Cr04 Test I

O.S

-I-

KI

White ppt. Yellow ppt. fObserV
Inference Pb2+

_._J

.. PbL+ Pb2+

'-

(3) Second Group

I

O~ Test

O.S + Dil.HCl + I-I2S Nl-LIOH(excess)

Deep Blue Observation

O.S + K.jFe(CN;6

Brown ppt.

(4) Tjlircl

Black ppt.

Cu

-.-._-_-_-_-

Cu2+

.-

-

+

_-_J

GrouT)

:) bservation Test -------------j_. White gelatinou:-o ppt. Blue + ppts ppt. O.S NH.jCI +NH~OH

O.S

+

IN+ Inference l

NaOH

1-

Inference AIJ+ I

AIJ+

I

O.S +- NaOH +Di1.HCI + Blue Litmus + NH.jOH (Lake Test)

----Test

O.S O.S

'.

-I-

NH.jCI +NHjOH KCNS

-I-

K1Fe(CN)(~

-1-

-----O.S

'e --. ------> __ Brown ppt.. ~ nIooe! Observution Red

.~-

-1·------l_~)ark ppt., Blue

r Fe3+ 'c'

J

t

. Inference --------

r

\+

=J I

I

Fourth

Group

.

In ference L+

------1 Red ---r-;-:-

~~~

J

O.S. + DMG

----.-

+ NaOH

l~~-'-

-r

LLight green

---(if DIn. red) J3lueis etherial layer \ Test .Blue O.S + NH4C! H 2~c ppt

_ ..

+NH40H.

__ ~ +-

Co

2+

C-:.----z+

L+

=J_ il' L I

+ ethe~·---=.:I

O.S. + NH4CNS

\ Test O.S + Nl-L.CI +NH4.OH ---+ --TObservation I Buff ppt \ H2~:

.

-

MnTF

Mo

_1 =rSuff Brownppt ppt

'~-----T + -r Observation Dirty 'vhite

~Zn

ppt

I

G

2+

Inference

,NH40H

~Il~'

Inference Mn 1+

I

~.~. L9.S. + NaOH K3Fe(CN)6

Test a.s + NH4CI

IInference 0C

-

.0,servation

-O-.S.+ NaOH

\

-

L+ L+

I

1-11c

lck ppt

Ni

')oln. is green) pt ~~)s~rvati~~:.--r Ni

LTes~-

O.S.

.

+--

-J~~ ::

---------

g1~:-~~~~~~N-)6--------------1 ~-1~1-1~~e-hf-:I-~i-te-;)~t-I-~--'-e-I-Io "\~-'i L.............

i white

.

--1.

~

PDt. __ .. __ . __

.__ . __ ._

l

Observation [lest -~----a.s + NH4CI le+NH40H + Im'.1e lrne B 2+ S 2+ CWhite 2+ ppt

a

1

(NJ-l4)2C03

.

, r

__________________

--

,

-------Ba2+ Ca2+ Inference Sr2+

..J

.. '

Ca2+ BaLia Sr2+

\

-_II ..

(wbite ppt dissolves in CH1COOH O.S. + K2Cr04 Flame Test

--tI Light green n White ppt

O.S. + (NH4)2S04 Flame Test O.S. + (NH4)2C204 Flame Test

-_.

_If Crimson White pptred

Brick red ---- l------,

i_

flan

(7) ;,ixth Gro'up

I Tes. I

-

-r

Observation

Inference

------fJMg2+

Na2HP04 O,S -+ NH4CI +NI-L;OH

+

O.S Nessler's 9·S + NaOH (NH4)3 + ~04 reagent

Mg ---=T~ej)pt---------~~:----~~ White PPt.

-~

I White ppt

1

I

m

I

J

I

*~~**********************

_

US1 Tests for Anions

~Acid Radicals)

(1) First Group "st Group I Inference C03·C031-

Observatl -011 ime water milky vescence s,odourless Colourle~; gas t with effe!

Test

C03L-

--

Salt + Dil H2SO4

----------

Changes

_.'evolvedGasgas Pass the, evolved Through Lime waterlime water " ",gli O.S. MgSO4 __~~lgS04

o

-

Tests

~=

L IhSO"S2-

O.S.+(CH3COO)2Pb

Cl-bCOO)2Pb O.S+ Sodium nitroprusside ·odium nitropn

\

Tests

~->.--~-,~ ~-

In S2-fcrcncc -S2-- ----------

~)n

s gas withI--O~_~-r~~~: rotten-.-+,~.lourI Colourles egg smell ... "~~~--'

Salt + Dil H2SO4

White pp

._+~-

- -

-..~-

~ Black ppt sside I Purple c~

Inference

Observation

~~~•.,~

Salt+Dil H2SO4 'll:l~:L~9-=L _ O.S.+Dil H2SO4+FeSO4 , dil. I-bS04 +Fe~;04 O.S.+Starch Iodide

:tarch iodide

i

.

Blue colour

_

I

-I. Observation-----l.

Inference jC010l.Jlk.,s gas \-~it!1pl~ng-;;-l~t-Ts03z:------ --i smell

-.--- ---

--------

O.S.+Dil H2SO4+K2Cr2O7 '.' :\. idill-bS04 t- K;.~r20-; O.S.+Dil H2SO4+KMnO4

,):.:dJl }-bS0
,

N02N02-

13rown gas Brown colour

-----

Tests : l'St -------d. P::SO.; Salt+Dil H2SO4

0

Green colour Pink colour decolourisecl

so;:

sol

--

-

-1

==-d

(2) :)ccond GI-OUp

---

I--Observation White ppt Colourless g[lsdissolves "vith pungent White ppt

Tests

J

-

smell Salt+Conc H2SO4

ClInference

O.S.+AgNO3 White ppt +excess Of NH4OH

I

Tests

Il~-

--

Salt+Conc. H2SO4 O.S.+AgNO3

I0

\ ~N03

O.S.+CCl4+Cl2 ~:811 '(_-'O_l1_C_'Water _f-_Iz_S_O_'_1 _

(1).~., ~'CLI+ Ch

Observation

I Inference

Pale yellow ppt

_B_r_-

~::~~n watel~_~9n1J1ge

~

-------4

gas '-,/-:t-h--p-ll-n-ge-n-.t-l_B_f_layern_ =_B=_r=_-=_-_=_-_=_-_=_-_=~ __-_

I

. Salt + Cone. H2S04 ~;. + AgNOJ I, Te:;t O.S. + CCl, + CI, water

violet gas yellow pp~ ~~~ Observation -----__ L~Jayer '..

-[__

II

-

--

Te:;t Salt + Cone. H2S04+ piece & heat

pungclt I lh Observatiori-

Cu

---r-;--)ur

---<

I_I_-

1

- ---

.r

r

Inference

N03N03N03Inference

~

~

I

brown gas wi - I smell I

a.s. +FeS04

+eonc. H2S2i.~--! -B-~O-\-iVn-. -r-ill-_;;-',-LQJ;. + Diphenyl amine _ i Dark blue co:

--------------

Inference

C20/-

\

I ~'~;;( + Cone rrMn04 soln. O.~;. + CaCb

=: I ~i~~e~:~~:';\;_-d_ iSCharge~----

11280'+=

J

----jI C204~

__ -.l Whi~~

Salt + Cone. H2SQ,_1 Te~;t O.~:. + nell.FeCI]

I

J

__

1

Smell of vinegar Obs~rvation ~ Red colour

I Heat Red soll1. + exc~ss watcr_~-_.,-Brown ..I

lppt

_I

__

CH3COO-+

--- -

==-~_

Inference CI-hCOOC1-1;COO"

-._-1,

.

(3) No specific group

._.--------

I

O.~:. + BaCb

_1

Add ppt CI-IJCOQI-I to violet

S042-=-

sc5;1-

White

pp_t

SO,iL-

..

--,-- -------

Test -------------O.S. + cone. HNOJ +

a.s. + CO(NOJ)2

ppt

: Ppt does not~lis~)lve

O.S.:....+ (Cf--hCqO)2Pb

lvl01ybdatc

u

Inference

Observation

=:-~:White

--

Add ENOJ to white ppt

Ammonium hea:

-------~-----

---~'-r_:___----"-------

. Te~t

!

Observation

!

Yellow ppt

1·,,1t'crence P04 JJ

&

-nt YJolei..EP~_- __ i Violet ppt dissolves

.~

J- __

~ I eU4 .)_

~***********~~*********~*

---.

-"

-~-'-.- --,

Related Documents

Salt Analysis
April 2020 23
Salt Analysis Chart
November 2019 18
Salt
November 2019 43
Salt
May 2020 28
Molten Salt
December 2019 32

More Documents from "Barid Baran"