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What is industrial name of H2S2O7 ?...

What is industrial name of `H_2S_2O_7` ?

A

Pyrosulphuric acid

B

Marshall's acid

C

Olium

D

(A), (B) and (C) all three

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Verified by Experts

The correct Answer is:
D
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One of the methods of preparation of per disulphuric acid, H_(2)S_(2)O_(8) , involve electrolytic oxidation of H_(2)SO_(4) at anode (2H_(2)SO_(4)toH_(2)S_(2)O_(8)+2H^(+)+2e^(-)) with oxygen ad hydrogen as by-products in such an electrolysis, 9.722 L of H_(2) and 2.35L of O_(2) were generated at STP. What is the weighht of H_(2)S_(2)O_(8) formed?

KUMAR PRAKASHAN-THE P-BLOCK ELEMENTS -SECTION-E (MULTIPLE CHOICE QUESTIONS (MCQS)) (DARPAN.S EXAM ORIENTED MCQS)
  1. Liquid oxygen possess..........color.

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  2. When Al2O3 is reacted with aqueous solution of HCl gives..........comp...

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  3. What is industrial name of H2S2O7 ?

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  4. When Cu metal is heated with concentrated sulphuric acid, then...........

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  5. ..........acid is useful in lead storage cell.

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  6. Number of S = O bond present in H2S2O8 is …………….

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  7. In..........oxidation number of sulphur is +7.

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  8. In..........oxoacid of sulphur has lone pair of electron on sulphur at...

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  9. Atomic number of At is ..........

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  10. Electronic arrangement of Lv is...........

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  11. Chlorination of ethane is carried out in presence of ..........

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  12. Reaction of ammonia gas with excess of dichlorine gas produces ..........

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  13. To solublize nobel metals like gold, platinum ..........mixture is use...

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  14. What is the molecular formula of bromic acid ?

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  15. ………….+HCl to NaCl + H(2)O + CO(2)

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  16. What is the atomic arrangement of P atom in orthophosphorous acid ?

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  17. What is the shape of PCl5 ?

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  18. Basicity of phosphorous acid is ...........

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  19. Which of the following inert gas is highly reactive ?

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  20. Which of the following molecule has planar shape ?

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