Flame Test Flashcards
compounds of certain metals are volatilized in a non-luminous bunsen flame and impart characteristics colors to the flame
introduction
an analytical method used for detecting the presence of certain metals
flame test
where a small amount of a substance is volatilized and the characteristic glow of the substance is observed
flame test
2 types of flames
luminous flame
non-luminous flame
it is formed when the air-hole is open
luminous flame
it is formed when the air-hole is closed
non-luminous flame
persistent golden yellow
a. k
b. na
c. li
d. sr
Na
violet (lilac)
a. k
b. na
c. li
d. sr
K
carmine-red
a. k
b. na
c. li
d. sr
Li
crimson red
a. k
b. na
c. li
d. sr
Sr
brick red
a. k
b. barium
c. li
d. ca
Ca
yellowish-green
a. k
b. barium
c. li
d. ca
barium
green
a. k
b. barium
c. borates, Cu, Ti
d. ca
borates, Cu, Ti
blue (wire slowly corred)
a. Pb, As, Sb, Bi, Cu
b. barium
c. borates, Cu, Ti
d. ca
Pb, As, Sb, Bi, Cu
Li in nonluminous flame
a. carmine red
b. bariu
c. violet
d. purple
carmine red
K in nonluminous flame
a. carmine red
b. bariu
c. violet
d. purple
violet
yellowish green color in nonluminous flame
a. carmine red
b. barium
c. violet
d. purple
barium
strontium in nonluminous flame w/ Co glass
a. carmine red
b. barium
c. violet
d. purple
purple
gives a crimson red color in NLF w/ Co glass
a. carmine red
b. potassium
c. blue
d. purple
potassium
color of non-luminous flame
a. carmine red
b. blue
c. violet
d. purple
blue
Nil
a. Na
b. k
c. Ca
d. Sr
e. Ba
Na
crimson
a. Na
b. k
c. Ca
d. Sr
e. Ba
K
light green
a. Na
b. k
c. Ca
d. Sr
e. Ba
Ca
purple
a. Na
b. k
c. Ca
d. Sr
e. Ba
Sr
bluish green
a. Na
b. k
c. Ca
d. Sr
e. Ba
Ba
