Q. Which alkali metal emits blue color light in flame test?
TS EAMCET 2020
Solution:
Alkali metal
Colour in flame test
$Li$
$\longrightarrow $
crimson red
$Na$
$\longrightarrow $
golden yellow
$K$
$\longrightarrow $
violet
$Rb$
$\longrightarrow $
red violet
| Alkali metal | Colour in flame test | ||
|---|---|---|---|
| $Li$ | $\longrightarrow $ | crimson red | |
| $Na$ | $\longrightarrow $ | golden yellow | |
| $K$ | $\longrightarrow $ | violet | |
| $Rb$ | $\longrightarrow $ | red violet | |