Thoseelementsimpartcolour to theflame on heating init , theatom ofwhichrequire lowenergyfor the ionisation(i.e.,absorb energy inthe visibleregion ofspectrum ). Theelementsof which of thefollowinggroupswillimpart colour ot theflame ?

Thoseelementsimpartcolour to theflame on heating init , theatom ofwhic

1.	Thoseelementsimpartcolour to theflame on heating init , theatom ofwhichrequire lowenergyfor the ionisation(i.e.,absorb energy inthe visibleregion ofspectrum ). Theelementsof which of thefollowinggroupswillimpart colour ot theflame ?
Answer» 2 13 1 17 Solution :Theelements of group 1 (alkalimetals ) andgroup 2 (alkalineearthmetals )have 1and 2electronsrespectively in theirvalence shellsand hencelowionizationenergies. In otherwords . ELEMENTS of group 1 and 2impart colour toflamei.e.,options( a)and ( C) ARECORRECT.