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CuCl2 is blue coloured but CuCl colourle...

`CuCl_2` is blue coloured but CuCl colourless. Explain why? State the general electronic configuraiton of 'f' block element.

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UNITED BOOK HOUSE-MODEL PAPER 14-EXERCISE
  1. Why CuO can be carbon reduced but not CaO? What is gaung?

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  2. Write differences between roasting and calcination. Name a basic flux?

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  3. CuCl2 is blue coloured but CuCl colourless. Explain why? State the gen...

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  4. Name the aldehyde which response in haloform reaction

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  5. How would you chemically differ ethyl chloride and chlorobenzene?

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  6. Give one example :- Carbyl-amine reacion.

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  7. Give one example :- Dkiazo coupling reaction.

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  8. Give one example :- Hoffmann degradation reaction

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  9. State the chemical equation when potassium thalimide is strongly heate...

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  10. Identify A-F CH3COCH3 overset(Mg-Hg)underset(dry ether) rarr A

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  11. Identify B CH3CO2H overset(Red P + Br2)underset(H2O) rarr B

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  12. Identify A-F CH3CHO overset(Al(OC2H5)3)underset() rarr C

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  13. Identify D underset(CHO) underset(|) (CHO) overset(50%NaOH)rarr D

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  14. Identify D CH3CN overset(SnCl2//HCl) rarr D

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  15. Identify F CH3CO2H overset(AgOH)underset(Br2 - C Cl4) rarr F

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  16. What is Mutarotations? What will happen when Aldohexose reacts with Na...

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  17. 2N2O5(g) rarr 4NO2(g) + O2 (g) The above reaction is carried out in ...

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  18. Give the Formula of Carnallite.

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  19. Half life period of a first order reaction 15 min. Calculate the rate ...

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  20. State with balanced chemical equation. K2Cr2O7 is heated with concen...

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