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write name of the compounds.Na(2)CO(3), ...

write name of the compounds.`Na_(2)CO_(3), " " Fe_(2)(SO_(4))_(3), " " FeSO_(4).7H_(2)O`

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`{:("V.f.",2" ",2xx3=6" "," 2",),("Eq. wt.","M/2 "," M/6","M/2",):}`
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Na_(3)PO_(4)+Fe_(2)(SO_(4))_(3) to FePO_(4) darr+Na_(2)SO_(4)

Calculate the oxidation number of each sulphur atom in the following compounds. (a) Na_(2)S_(2)O_(3) " " (b) Na_(2)S_(4)O_(6) " " ( c) Na_(2)SO_(3) " " (d) Na_(2)SO_(4)

In order to oxidise a mixture of one mole of each of FeC_(2)O_(4),Fe_(2)(C_(2)O_(4))_(3),FeSO_(4) and Fe_(2)(SO_(4))_(3) in acidic medium, the number of moles of KMnO_(4) required is :

In order to oxidise a mixture of one mole of each of FeC_(2)O_(4).Fe_(2)(C_(2)O_(4))_(3),FeSO_(4) and Fe_(2)(SO_(4))_(3) in acidic medium, the number of moles of KMnO_(4) required is:

Na_(2)CrO_(4)+HCl to H_(2)Cr_(2)O_(7)+Na_(2)SO_(4)

Na_(2)CrO_(4)+HCl to H_(2)Cr_(2)O_(7)+Na_(2)SO_(4)

Taking the example of the reaction K_(2)Cr_(2)O_(7)+H_(2)SO_(4)+FeSO_(4)toK_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+Fe_(2)(SO_(4))_(3)+H_(2)O, explain how a redox reaction is balanced by oxidation number method.

Na_(2)C_(2)O_(4)+H_(2)SO_(4)(Conc.) to Na_(2)SO_(4)+CO+CO_(2)

Na_(2)C_(2)O_(4)+H_(2)SO_(4)(Conc.) to Na_(2)SO_(4)+CO+CO_(2)

200 g of impure Na_(2)CO_(3) of 90% purity is treated with dil. H_(2)SO_(4) according to the reaction Na_(2)CO_(3)+H_(2)SO_(4)toNa_(2)SO_(4)+H_(2)O+CO_(2) Calculate the mass of pure sodium sulphate formed [Na = 23, C = 12, O = 16, H = 1, S = 32]

RESONANCE ENGLISH-EQUIVALENT CONCEPT & TITRATIONS-Part -IV
  1. write name of the compounds.Na(2)CO(3), " " Fe(2)(SO(4))(3), " " FeS...

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  2. Volume V1 mL of 0.1 M K2Cr2O7 is needed for complete oxidation of 0.67...

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  3. KMnO(4) oxidises I^(-) to I(2) in acidic medium. The equivalent wei...

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  4. 10 mL of 1 NHCl is mixed with 20 mL of 1MH(2)SO(4) and 30 mL of 1M NaO...

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  5. 20mL of H(2)O(2) after acidification with dilute H(2)SO(4) required 30...

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  6. As(2)S(3) is

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  7. During the titration of a mixture of Na(2)CO(3) and NaHCO(3) against H...

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  8. In the reaction CrO(5) + H(2)SO(4)rarr Cr(2)(sO(4))(3)+H(2)O+O(2), one...

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  9. Consider the redox reaction 2S(2)O(3)^(2-)+I(2)rarrS(4)O(6)^(2-)+2I^...

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  10. Which of the following relations is/are correct for solutions ?

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  11. Which of the following statements is/are correct

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  12. H(2)C(2)O(4) and NaHC(2)O(4) behave as acids as well as reducing agent...

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  13. Consider the reactions shown below : Which of the follwoing state...

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  14. 3 " mol of "a mixture of FeSO(4) and Fe(2)(SO(4))(3) requried 100 " mL...

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  15. A 7.1 g sample of bleaching powder suspended in H(2)O was treated with...

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  16. If the number of N-atoms in 1 molecule of Hyponitrous acid is x and th...

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  17. Find the valency factor (n) for NH(2)OH in given reaction : Fe^(3+)+...

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  18. A solution of Na(2)S(2)O(3) is standardized iodometrically against 0.1...

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  19. 2 moles of a mixture of O(2) and O(3) is reacted with excess of acidi...

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  20. The overall equation for the reaction between sodium carbonate solutio...

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  21. The overall equation for the reaction between sodium carbonate solutio...

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