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25 gm of a metal is deposited on cathode...

25 gm of a metal is deposited on cathode during the electrolysis of metal nitrate solution by a current of 5 apm pssing for 4 hour if atomic weight of the metal is 100 The valency of metal in metal intrates is

A

1

B

2

C

3

D

4

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AAKASH INSTITUTE ENGLISH-ELECTROCHEMISTRY -Assignment (SECTION B) Objective Type Questions (One option is correct)
  1. The equilibrium constant for the reaction Sr(s)+Mg^(+2)(aq)rarr Sr^(+2...

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  2. 0.5 faraday of electricity was required to deposit all the copper in 5...

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  3. Cu^(+) ion is not stable in aqueous solution because because of dispro...

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  4. 25 gm of a metal is deposited on cathode during the electrolysis of me...

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  5. A well stirred solution of 0.1 M CuSO(4) is electrolysed at 25^(@)C us...

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  6. 50 ML of a buffer of 1 M NH(3) and 1 M NH(4)^(+) are placed in two vol...

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  7. The specific conductance of saturated solution os silver chloride is k...

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  8. The limiting equivalent conductivity of NaCl, KCl and KBr are 126.5,1...

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  9. The equivalent conductances of CH(3)COONa, HCI "and" NaCI at infinit e...

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  10. E^(@)(Na^(+)//Na)=-2.71V E^(@)(Mg^(+2)//Mg)=-2.37V E^(@)(Fe^(+2)//Fe...

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  11. Which of following type of plot would you expect from the titratin of ...

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  12. The standard reduction potential of Cu^(2+)//Cu and Cu^(2+)//Cu^(+) ar...

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  13. What is DeltaG^(@) for the following reaction Cu^(+2)(aq)+2Ag(s)rarr...

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  14. For the half cell At pH = 3 electrode potential is

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  15. Rate of corrosion I maximum when

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  16. H(2)(1 "atm")|2.26 M HCOOH||0.222MCH(3)COOH|(1 "atm")H(2)K(a)(HCOOH)=...

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  17. Given that NiO(2)+4H^(+)+2e^(-)rarrNi^(2+)+2H(2)O,E^(@)=1.678V NiO...

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  18. Zn amalgam is prepared by elctrtolysis of aqueous ZnCI(2) using 9 gram...

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  19. Emf of cell given Ag(s),Ag(s)|KCI(aq)Hg(2)CI(2)(s)|Hg(s) s 0.05 V ...

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  20. Dissociation constant for Ag(NH(3))(2)^(+) into Ag^(+) and NH(3) is 6 ...

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