The oxidation number of S in Mohr's salt...

The oxidation number of S in Mohr's salt `{FeSO_4(NH_4)_2SO_4*6H_2O}` is

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In the reaction of Mohr's salt [FeSO_4(NH_4)_2SO_4.6H_2O] with oxalate ions in the presence of H_2O_2 and H^(o+) ions, [Fe(C_2O_4)_3]^(3-) ion is formed. Calculate the minimum mass of Mohr's salt and K_2C_2O_4 required to prepare 10 g of K_3Fe(C_2O_4)_2 .

The oxidation number of S in Na_(2)S_(4)O_(6) is

KMnO_4 is prepared from the mineral pyrolusite, MnO_2 (deep purple colour). It acts as an oxidising agent in the neutral, alkaline as well as acidic medium in acidic medium it is used in volumetric analysis for estimation of Fe^(2+) , Cr_2O_4^(2-) salts etc. The titrations are carried out in presence of H_2SO_4 . However, before using it as a titrant, it is first standardised with standard oxalic acid solution or Mohr's salt solution . In one of the experiments on titration 26.8g of dry pure sodium oxalate (Mw=123gmol^-1) was dissolved in 1L of distilled water and then 100 mL of 2MH_2SO_4 were added. The solution was cooled. Now to this solution 0.1MKMnO_4 solution was added till a very faint pink colour persisted. Q. Mohr's salt, FeSO_4(NH_4)_2SO_46H_2O , is preffered over FeSO_4.7H_2O for standardisation of KMnO_4 solution because.

Calculate oxidation number of S in S_4O_6^(2-) .

A : The oxidation number of S is +6 in H_(2)SO_(4) . R : H_(2)SO_(4) has one peroxide linkage.

Oxidation number of As in H_(2)"As"O_(4)^(-) is

Oxidation number of N in (NH_(4))_(2)SO_(4) is

What is oxidation number? Mention the working rules used to calculate the oxidation number of an atom in a given species. Calculate the oxidation number of S in Na_(2)S,Na_(2)SO_(3),Na_(2)SO_(4),Na_(2)S_(2)O_(3) and Na_(2)S_(4)O_(6) .

The oxidation number of sulphur in S_8, S_2 F_2, H_2 S and H_2 SO_4 respectively are :

Calculate the oxidation number of Zn in [Zn(H_2O)_4]^(2+)

AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE

The oxidation number of S in Mohr's salt {FeSO4(NH4)2SO4*6H2O} is
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