1

Question 1

Hydroxide is NOT amphoteric

A. Copper
B. Silver
C. Gold

Answer 1

A

Question 2

Not form ppt with saturated tartaric acid

A. Li
B. Na
C. K

Answer 2

B

Question 3

Sodium + Uranyl acetate Na+

A. White ppt
B. Yellow crystalline
C. Golden yellow ppt

Answer 3

C

Question 4

Special Lewis acids

1. _____
2. _____

Answer 4

BF3, AlCl3

Question 5

Precipitant for Na+

A. Uranyl acetate Na+
B. Tetraphenylboron
C. Potassium permanganate

Answer 5

C

Question 7

Pseudoalkali ion

Answer 7

NH4+

Question 8

Nessler’s rgt is used for

A. NH4+
B. Sodium
C. Lithium

Answer 8

A

Question 9

+ royal blue soln with xss NH3

A. Silver
B. Copper
C. Gold

Answer 9

B

Question 10

Differentiate salicylate from benzoate

A. FeCl3
B. FeCl3 + HCl
C. HgCl2

Answer 10

A

Question 11

Scheele’s green

Answer 11

Cupric hydrogen arsenite

Question 13

Its hydroxide is amphoteric

A. Cadmium
B. Copper
C. Zinc

Answer 13

C

Question 14

Sensitive test for Zn

A. Tollen’s test
B. Rinmann’s green
C. Fehling’s test

Answer 14

B

Question 15

Differentiate arsenate from arsenite

A. Magnesia mixture
B. Brown ring test
C. Lunge test

Answer 15

A

Question 18

Borate + turmeric paper

A. Olive green
B. Blue
C. Brick red

Answer 18

A

Question 19

Aluminon

Positive result: _________

Answer 19

Red lake

Question 20

Sb (Rxn with sulfide)

A. Pink
B. White
C. Orange
D. Yellow

Answer 20

C

Question 21

Differentiate +Pp > carbonate from bicarbonate

Answer 21

C - pink

B - colorless

Question 22

Reagent used to differentiate citrate and tartrate

A. FeCl3
B. Pp
C. Denige rgt

Answer 22

C

Question 24

Tollen’s test is used for

A. Silver
B. Copper
C. Gold

Answer 24

A

Question 25

(+) result upon addition of Denige rgt

Answer 25

C - red

T - emerald green

Question 26

Differentiate stannous from stannic

A. FeCl3
B. FeCl3 + HCl
C. HgCl2

Answer 26

C

Question 27

(+) result upon addition of FeCl3

Answer 27

S - violet

B - salmon color

Question 28

Brown ring test

A. Nitrite
B. Nitrate

Answer 28

B

Question 29

Deep blue color with starch

A. F
B. Cl
C. Br
D. I

Answer 29

I

Question 30

Violet color with carcon tetrachloride A. F B. Cl C. Br D. I

Answer 30

D

Question 31

Sensitive rgt for cobalt

Answer 31

Alpha nitroso beta naphtol

Question 32

SbS3 A. Red B. Pink C. Orange

Answer 32

C

Question 33

Differentiate nitrate from nitrite A. Magnesia mixture B. Brown ring test C. Lunge test

Answer 33

C

Question 34

(+) result upon addition of FeCl3 and HCl

Answer 34

A - yellow | T - blood red

Question 35

Beautiful blue for Vogel rxn A. Nickel B. Cobalt C. Molybdenum

Answer 35

B

Question 37

(+) result of perchromic acid test A. Evanescent blue color B. Transient violet color C. Black

Answer 37

A

Question 38

Mn (Rxn with sulfide) A. Pink B. White C. Orange D. Yellow

Answer 38

A

Question 40

Diagonal relationship with Mg 2+ A. Li B. Na C. K

Answer 40

A

Question 41

Used to clean wire for the flame test

Answer 41

HCl

Question 42

Sensitive rgt for Nickel

Answer 42

DMG (dimethylglyoxide) | - (+) red color

Question 43

Blue ring test A. Nickel B. Cobalt C. Molybdenum

Answer 43

C

Question 45

Cd (Rxn with sulfide) A. Pink B. White C. Orange D. Yellow

Answer 45

D

Question 48

Triple acetate 1. _______ 2. _______ 3. _______

Answer 48

Co, Zn, Mg

Question 49

Yellow color with starch A. F B. Cl C. Br D. I

Answer 49

C

Question 50

Zn (Rxn with sulfide) A. Pink B. White C. Orange D. Yellow

Answer 50

B

Question 53

Nitrite vs. nitrate + KMnO4

Answer 53

Nitrate - no decolorizition | Nitrite - w/ decolorizition

Question 55

Differentiate acetate from thiocyanate A. FeCl3 B. FeCl3 + HCl C. HgCl2

Answer 55

B

Question 58

Anti-solvents 1. _______% _________ 2. _______ _________ ______

Answer 58

95% ethanol | Glacial acetic acid

Question 65

Borate + I2 + polyvinyl alcohol A. Olive green B. Blue C. Brick red

Answer 65

B