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The reddish brown gas produced by heati...

The reddish brown gas produced by heating KCl with solid `K_2Cr_2O_7` and conc. `H_2SO_4` is

A

`CrO_2Cl_2`

B

`Cl_2`

C

`CrO_3`

D

`H_2CrO_4`

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The correct Answer is:
A
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AAKASH INSTITUTE-M0ck test 26-EXAMPLE
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  2. In which compound does vanadium has an oxidation number of +4 ?

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  3. Transition metals and their compounds show catalytic properties becaus...

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  4. The common transition metals in brass and bronze is

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  5. Which group elements of first transition series has the highest parama...

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  6. The product formed by the fusion of MnO2 with KHO in the presence of a...

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  7. The number of equivalent Cr-O bonds in CrO4^(2-) is

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  8. Actinoid contraction is more than lanthanoid contraction because

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  9. CrO3 dissolves in aqueous NaOh to give

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  10. Which of the following can be oxidised by acidified K2Cr2O7 ?

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  11. The most common oxidation state exhibited by all lanthanoids is

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  12. The paramagnetic lanthanoid ion among the following is

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  13. The nature of CrO and Cr2O3 is respectively

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  14. Identify the incorrect statement with respect to KMnO4

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  15. Consider the following statements (I) Zr^(4+) and Hf^(4+) have almos...

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  16. The reddish brown gas produced by heating KCl with solid K2Cr2O7 and...

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  17. Chromate ion, CrO4^(2-) is

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  18. When KMnO4 reacts with l^- in a slightly alkaline and acidic medium, t...

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  19. Which of the following characteristic is not the point of similarity b...

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  20. When chromite ore (FeCr2O4) is heated with sodium carbonate in free ac...

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