s-Block ElementsHard

Question

A fire work gave bright crimson light. It probably contained a salt of  :

Options

A.Ca
B.Sr
C.Ba
D.Mg

Solution

(A) Ca salt imparts brick red colour to the flame.
(B) Sr salt imparts bright crimson colour to the flame.
(C) Ba salt imparts apple green colour to the flame.
(D) Mg salt does not impart any colour to the flame because of high ionization energy.

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