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Which of the following statement is corr...

Which of the following statement is correct ?

A

`FeI_3` is stable in aqueous solution.

B

An acdified `K_2Cr_2O_7` solution, on reaction with lead acetate gives yellow precipitate.

C

The species `[CuCl_4]^(2-)` exists but `[CuI_4]^(2-)` does not.

D

Both copper (I) and copper (II) salts are known in aqueous solutions.

Text Solution

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The correct Answer is:
C
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MODERN PUBLICATION-MOCK TEST PAPER - 1-MCQs
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  2. Which of the following statement is correct ?

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  3. A sol of egg albumin can be coagulated by addition of :

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  4. If H2SO4 ionises as : H2SO4 + 2H2O to 2H3O^(+) + SO4^(2) Then to...

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  5. When a light of suitable frequency strikes a metal surface, then the n...

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  6. The products of the reaction Al4 C3 + D2O to …….+…… are :

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  7. RNA and DNA are chiral molecules, their chirality is due to :

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  8. Identify the correct statement :

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  9. In which of the following, the C-H bond length is shortest ?

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  10. During the titration of sodium thiosulphate and iodien, the following ...

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  11. The dipole moment of is 1.5D. The dipole moment of is :

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  12. 300 mL of gas at 27^@C is cooled to 10^@C at constant pressure, the fi...

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  13. The bond dissociation energy of C-H in CH4 from the equation C(g) + ...

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  14. The formation of O^(2-)(g) startng from O(g) is endothermic by 603 kJ ...

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  15. AgCl dissolves in NH(4)OH due to the formation of :

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  16. Plexiglass is a commercial name of :

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  17. Which of the following alloys is used for making clock pendulums ?

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  18. In which of the following reaction Kp and Kc are equal :

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  19. In the redox reaction : KMnO4 + NH3 to KNO3 + MnO2 + KOH + H2O t...

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  20. Rosenmund reduction of acyl chloride gives :

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