Alkali metals show characteristic flame colouration. The flame colour of Li are crimson red while that of K is violet. How will you account 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.What is the reason for this?

Potassium dichromate is an orange colour crystal and is an important compound used as an oxidant in many reactions How will you account for the colour of potassium dichromate crystals?

Blood cell of earthworm lack haemoglobin. But blood of earthworm is red in colour. How do you account for it?

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.

The characteristic colours given by calcium, strontium and barium in the flame test are respectively:

Excess of Li makes LiCl crystal pink and excess of K makes KCI crystals lilac. Is this true? How will you account for the above processes?