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Sodium dichormate on heating with coke y...

Sodium dichormate on heating with coke yields :

A

sodium carbonate

B

sodium chromite

C

sodium chromate

D

chromic anhydride

Text Solution

Verified by Experts

The correct Answer is:
A
`Na_(2)Cr_(2)O_(7)+2C overset(Delta)rarr Na_(2)CO_(3)+Cr_(2)O_(3)+CO`
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A2Z-S BLOCK ELEMENTS ( GROUP 13 - 14)-Section D - Chapter End Test
  1. The order of melting point of chloirdes of alkali metals is :

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  2. Sodium carbonate reacts with SO(2) in aqueous medium to give

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  3. Sodium dichormate on heating with coke yields :

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  4. Which one out of the NaOH and KOH is a better absorber of CO(2) ?

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  5. Reduction of sodium nitrite by sodium metal yields:

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  6. Which of the following statement is incorrect ?

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  7. What products are formed during the electrolysis of a of a concentrat...

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  8. Na+Al(2)O(3) overset("High temp.") rarrXoverset(CO(2)" in")underset("w...

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  9. What happens when a mixture of sodium sulphate, lime stone and coke is...

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  10. The order of basicity of hydroxides of alkali metals is

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  11. What happens when sodium metal is heated to a temperature 350^(@)C in ...

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  12. Solubility of an ionic compound in water is mainly dependent on: a...

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  13. Na(2)Be(OH)(4)] is formed when

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  14. What is the formula of basic anhydride of Ba(OH)(2)?

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  15. What is the correct order of thermal stability of carbonates of alkali...

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  16. Beryllium has less negative value of reduction potentials compared to ...

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  17. When CO(2) is passed through the suspenstion of MgCO(3), Mg(OH)(2) (ba...

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  18. Which of the followings salts on heating gives a mixture of two gases...

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  19. Setting of plaster of Paris involves

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  20. The compound that gives hydrogen peroxide on treatment with a dilute c...

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