Phyto chrome is

Which of the following phyto hormone is not associated with the promotion of growth in plants?

An aqueous solution FeSO_(4).Al_(2)(SO_(4))_(3) and chrome alum is heated with excess of Na_(2)O_(2) and fltered. The materials obtained are

An aqueous solution of FeSO_4.Al_2(SO_4)_3 and chrome alum is heated with excess of Na_2O_2 and filtered. The materials obtained are

An aqueous solution FeSO_(4).Al_(2)(SO_(4))_(3) and chrome alum is heated with excess of Na_(2)O_(2) and fltered. The materials obtained are

An aqueous solution of FeSO_(4),Al_(2)(SO_(4))_(3) and chrome alum is heated with excess of Na_(2)O_(3) and filtered. The material obtained are :

An aqueous solution of FeSO_4.Al_2(SO_4)_3 and chrome alum is heated with excess of Na_2O_2 and filtered. The materials obtained are