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2KMnO(4) +3H(2)SO(4) rarr K(2)SO(4)+2MnS...

`2KMnO_(4) +3H_(2)SO_(4) rarr K_(2)SO_(4)+2MnSO_(4)+3H_(2)O+5[O]`
`X+O rarr Y`
X can't be:

A

`CO`

B

`SO_(4)^(2-)`

C

`SO_(3)^(2-)`

D

`C_(2)O_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B
In `SO_(4)^(2-),S` is in the highest possible `O.S.`
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Mn(OH)_(2)+H_(2)SO_(4) to MnSO_(4)+2H_(2)O

Balance the following reactions by oxidation number method KMnO_(4) + H_(2)SO_(4) +HCl rarr K_(2) SO_(4) + MnSO_(4) + H_(2) O + Cl_(2)

10 ml of "0.02 M KMnO"_(4) is required to oxidize 20 ml of oxalic acid 25 ml of the same oxalic acid sol was used to neutralize 20 ml of NaOH of unknown strength. Calculate the amount of NaOH present per litre of solution. 2KMnO_(4)+3H_(2)SO_(4)rarrK_(2)SO_(4)+2MnSO_(4)+3H_(2)O+5[O] {:(COOH),(|),(COOH):}+[O]rarr 2CO_(2)+H_(2)O {:(COOH),(|),(COOH):}+2NaOHrarr +{:(COOH),(|),(COOH):}+2H_(2)O

Na_(2)SO_(3)+H_(2)O_(2) rarr Na_(2)SO_(4) +H_(2)O , in reaction

H_(2)O_(2)+2KIoverset(40% "yield")rarrI_(2)+2KOH H_(2)O_(2)+2KMnO_(4)+3H_(2)SO_(4)overset(50% "yield")rarr K_(2)SO_(4)+2MnSO_(4)+3O_(2)+4H_(2)O 150mL of H_(2)O_(2) sample was divided into two parts. First part was treated with KI and formed KOH required 200 mL of M//2H_(2)SO_(4) for neutralisation. Other part was treated with KMnO_(4) yielding 6.74 litre of O_(2) at 1 atm. and 273 K. Using % yield indicated find volume strength of H_(2)O_(2) sample used.

Balance the following equations : (i) KMnO_(4) + H_(2)SO_(4) + H_(2)O_(2) to K_(2)SO_(4) + MnSO_(4) + H_(2)O + O_(2) (ii) KMnO_(4) + KCl + H_(2)SO_(4) to MnSO_(4) + K_(2)SO_(4) + H_(2)O + Cl_(2) (iii) MnO_(2) + H_(2)O_(2) to MnO_(4)^(-) + MnO_(4)^(-) + H_(2)O (Basic medium)

GRB PUBLICATION-SALT ANALYSIS-E.Precipitation/Redox Reacttions
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  10. Tha gas G will show which of the following property?

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  12. Pink colour of acidified KMnO(4) is decolourised but there is no evolu...

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  13. 2KMnO(4) +3H(2)SO(4) rarr K(2)SO(4)+2MnSO(4)+3H(2)O+5[O] X+O rarr Y ...

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  19. A white solid is first heated with dil H(2)SO(4) and then with conc. H...

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