1 Flashcards
Hydroxide is NOT amphoteric
A. Copper
B. Silver
C. Gold
A
Not form ppt with saturated tartaric acid
A. Li
B. Na
C. K
B
Sodium + Uranyl acetate Na+
A. White ppt
B. Yellow crystalline
C. Golden yellow ppt
C
Special Lewis acids
- _____
- _____
BF3, AlCl3
Precipitant for Na+
A. Uranyl acetate Na+
B. Tetraphenylboron
C. Potassium permanganate
C
Pseudoalkali ion
NH4+
Nessler’s rgt is used for
A. NH4+
B. Sodium
C. Lithium
A
+ royal blue soln with xss NH3
A. Silver
B. Copper
C. Gold
B
Differentiate salicylate from benzoate
A. FeCl3
B. FeCl3 + HCl
C. HgCl2
A
Scheele’s green
Cupric hydrogen arsenite
Its hydroxide is amphoteric
A. Cadmium
B. Copper
C. Zinc
C
Sensitive test for Zn
A. Tollen’s test
B. Rinmann’s green
C. Fehling’s test
B
Differentiate arsenate from arsenite
A. Magnesia mixture
B. Brown ring test
C. Lunge test
A
Borate + turmeric paper
A. Olive green
B. Blue
C. Brick red
A
Aluminon
Positive result: _________
Red lake
Sb (Rxn with sulfide)
A. Pink
B. White
C. Orange
D. Yellow
C
Differentiate +Pp > carbonate from bicarbonate
C - pink
B - colorless
Reagent used to differentiate citrate and tartrate
A. FeCl3
B. Pp
C. Denige rgt
C
Tollen’s test is used for
A. Silver
B. Copper
C. Gold
A
(+) result upon addition of Denige rgt
C - red
T - emerald green
Differentiate stannous from stannic
A. FeCl3
B. FeCl3 + HCl
C. HgCl2
C
(+) result upon addition of FeCl3
S - violet
B - salmon color
Brown ring test
A. Nitrite
B. Nitrate
B
Deep blue color with starch
A. F
B. Cl
C. Br
D. I
I
Violet color with carcon tetrachloride
A. F
B. Cl
C. Br
D. I
D
Sensitive rgt for cobalt
Alpha nitroso beta naphtol
SbS3
A. Red
B. Pink
C. Orange
C
Differentiate nitrate from nitrite
A. Magnesia mixture
B. Brown ring test
C. Lunge test
C
(+) result upon addition of FeCl3 and HCl
A - yellow
T - blood red
Beautiful blue for Vogel rxn
A. Nickel
B. Cobalt
C. Molybdenum
B
(+) result of perchromic acid test
A. Evanescent blue color
B. Transient violet color
C. Black
A
Mn (Rxn with sulfide)
A. Pink
B. White
C. Orange
D. Yellow
A
Diagonal relationship with Mg 2+
A. Li
B. Na
C. K
A
Used to clean wire for the flame test
HCl
Sensitive rgt for Nickel
DMG (dimethylglyoxide)
- (+) red color
Blue ring test
A. Nickel
B. Cobalt
C. Molybdenum
C
Cd (Rxn with sulfide)
A. Pink
B. White
C. Orange
D. Yellow
D
Triple acetate
- _______
- _______
- _______
Co, Zn, Mg
Yellow color with starch
A. F
B. Cl
C. Br
D. I
C
Zn (Rxn with sulfide)
A. Pink
B. White
C. Orange
D. Yellow
B
Nitrite vs. nitrate + KMnO4
Nitrate - no decolorizition
Nitrite - w/ decolorizition
Differentiate acetate from thiocyanate
A. FeCl3
B. FeCl3 + HCl
C. HgCl2
B
Anti-solvents
- _______% _________
- _______ _________ ______
95% ethanol
Glacial acetic acid
Borate + I2 + polyvinyl alcohol
A. Olive green
B. Blue
C. Brick red
B
