The alkali metals and their salts impart characteristic colour when kept in Bunsen flame . Regarding this which of the following statements is not correct .

The alkali metals and their salts impart characteristic colour when ke

1.	The alkali metals and their salts impart characteristic colour when kept in Bunsen flame . Regarding this which of the following statements is not correct .
Answer» The colour is produced in oxidising flame . The colour is due to excitation and de excitation of OUTER electron . Production of colour by ALKALI metals when kept in flame can be utelized to DETERMINE the AMOUNT of alkali metal in a given sample . The colour is due to more electropositive character . Answer :D