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The purpose of addition of KF to HF in t...

The purpose of addition of KF to HF in the preparation of Fluorine by electrolysis is

A

to increase the conductance of HF

B

to decrease the oxidation potential of HF

C

to lower the solubility of HF

D

to increase the melting point of HF

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A
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AAKASH SERIES-VIIA GROUP ELEMENTS -PRACTICE EXERCISE
  1. The SRP for the different halogens is in the order of

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  2. Which of the following shows variation of electron gain enthalpy value...

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  3. The purpose of addition of KF to HF in the preparation of Fluorine by ...

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  4. The bond not present in KHF2 is

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  5. The F2 liberated at the anode in the whytlaw Gray method is passed thr...

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  6. H2S + 4F2 to 2HF + B The shape of molecule of compound B is

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  7. NH3 + 3F2 to A+ 3HF The correct statement regarding A is

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  8. 4HCI + A to MnCl2 + Cl2 uarr + 2H2O, In this reaction the change in ox...

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  9. Bond angles in Cl2 O and ClO2, are

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  10. In the reaction of Cl2 with Na2 SO3, chlorine acts as

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  11. In the known interhalogen compound the maximum number of halogen atoms...

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  12. 50g of a good sample of CaOCl2, is made to react with CO2. The volume ...

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  13. The hybridisation of chlorine in CIO^(-), ClO(2), ClO(3)^(-), and ClO(...

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  14. CI- O bond length is 170 pm in the oxyanion

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  15. Which of the following form inter-halogen compounds ?

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  16. The electronic state of chlorine in one of the excited states is 3s^2 ...

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  17. Chloroform is prepared by the use of bleaching powder. The organic com...

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  18. In the formation of XA5 type interhalogen compound, X undergoes

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  19. The composition of tear gas is

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  20. Which one of the following can be purified by sublimation ?

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