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For the reaction : 2Cl((aq))^(-) + 2H2...

For the reaction :
`2Cl_((aq))^(-) + 2H_2O_((l)) to 2OH_((aq))^(-) + H_2 + Cl_(2(l))` The free energy change is equal to ..........

A

`-242 kJ `

B

`+242 kJ`

C

`+422 kJ `

D

`-422 kJ `

Text Solution

Verified by Experts

The correct Answer is:
C
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KUMAR PRAKASHAN-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-SECTION - E (DARPAN.S EXAM ORIENTED MCQs)
  1. The function of flux is......

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  2. During the extraction of copper, the concentrated ore is roasted so to...

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  3. For the reaction : 2Cl((aq))^(-) + 2H2O((l)) to 2OH((aq))^(-) + H2 +...

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  4. Thomas slag is prepared by reaction between…

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  5. Bauxite No underset(N2)overset(+C)(rarr)underset(CO)(AIN)overset(H2O)(...

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  6. Goldschmidt thermite process is used for .. .

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  7. Which of the following oxide is reduced by an acceptance of electrons ...

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  8. In which of the following do the ranges of temperature play an importa...

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  9. Which principle is involved in chromatography ?

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  10. Cast iron is not used in ..........

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  11. The reducing agent in electrolysis of alumina

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  12. Which ore has more than one metal present in it ?

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  13. Copper matte is .........

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  14. The methods cheifly used for the extraction of lead and zinc from thei...

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  15. The ore after concentration is found to have basic impurities. Which o...

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  16. Which of the following metals are extracted by hydrometallurgy?

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  17. The metallurgical process in which the metal obtained in fused state i...

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  18. Which of the following acts an activator in froth floatation process ?

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  19. Which of the following acts as neutral refractories ?

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  20. In cyanidation of gold and silver the formation of HCN is prevented by...

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