p-Block elementsHard

Question

The reaction between ferric salt and aqueous sodium thiosulphate produces pink colour which soon diminishes. The pink colour is due to the formation of :

Options

A.[Fe(S2O3)3]4-
B.[Fe(S2O3)2]-
C.Fe2(S4O6)3
D.none of these

Solution

Fe3+ + 2S2O32-  →  [Fe(S2O3)2]- pink or violet complex.

Create a free account to view solution

View Solution Free
Topic: p-Block elements·Practice all p-Block elements questions

More p-Block elements Questions

In the reaction 2X + B2H6 → [BH2(X)2]2[BH4]- the amine(s) X is(are)...KNO2 (l) + KNO3 (l) + Cr2O3 (s) → K2CrO4 + [X] ; X is...The reaction, 3CIO- (aq.) → CIO3- (aq.) + 2Cl- (aq.)is an example of :...Na2S2O3 on treatment with iodine produces :...KF combines with HF to form KHF2. The compound contains the species :...