The alkali metals & their salts impart characteristic colour to an:

The alkali metals and their salts impart characteristic colour to an oxidising flame.What is the reason for this?

The alkali metals and their salts impart characteristic colour to an oxidising flame.Give the flame colour of Na and K.

The alkali metals and their salts impart characteristic colour to an oxidising flame.Name the alkali metal which imparts crimson red colour to the oxidizing flame.

Alkali metals and their salts impart characteristic colours to an oxidizing flame. Explain the reason.

Give reasons for the following: a. Alkli metals do not occur free in nature. b. Alkali metal salts impart characteristic colour to the flame. c. Caesium is used in photoelectric cell. d. Alkali metals are good reducing agents in aqueous medium.

Give reasons for the following: a. Alkli metals do not occur free in nature. b. Alkali metal salts impart characteristic colour to the flame. c. Caesium is used in photoelectric cell. d. Alkali metals are good reducing agents in aqueous medium.

which of the following statement is not correct? (A) All alkali-metals salts impart a characteristic colour to the Bunsen flame. (B) The correct order of increasing thermal stability of the carbonates of alkali metals is Li_(2)CO_(3) (C) Among the alkali metal's cesium is the most reactive. (D) The reducing character of the alkali metal hydrides follow the order: "LiH>NaH>KH>RbH>CsH" ."]