identify sodium, calcium, strontium, barium, copper and potassium ion by flame test Flashcards
1
Q
name the acid used in the flame test?
A
HCL because its more volatile in the nature
2
Q
why is the platinum wire preferred over copper wire to do the flame test?
A
platinum wire is heat resistant, we can also use heat resistant glass rod.
3
Q
how is platinum wire cleaned before performing the flame test for each salt
A
put HCL on the platinum wire and heat it, if flame is colorless, it is cleaned
4
Q
how does the use of concentrated HCL acid helps in the detection of different radicals through the flame test
A
HCL facilitates displacement reaction
5
Q
what is the purpose of using blue glass in the flame test
A
it is used as a confirmatory test
6
Q
what are damaging effects of vapour of concentrated HCL?
A
HCL is corrosive if we inhale the vapours of HCL it will damage our organs
