All the alkali metals give characteristic flame test. The decreasing order of the frequency of light emitted by them is

All the alkali metals give characteristic flame test. The decreasing o

1.	All the alkali metals give characteristic flame test. The decreasing order of the frequency of light emitted by them is
Answer» `LI gt Na gt K gt RB gt CS` `Li gt Na =K = Rb gt Cs` `Li =Na gt K gt Rb =Cs` `Cs gt Rb gt K gt Na gt Li` SOLUTION :As the IE decreases, the frequency of light emitted goes on increasing.