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What is the oxidation state of Cr in CrO...

What is the oxidation state of Cr in `CrO_5` and why?

A

`+4`

B

`+5`

C

`+6`

D

`+10`

Text Solution

Verified by Experts

The correct Answer is:
C
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MODERN PUBLICATION-MOCK TEST PAPER - 3-MCQs
  1. Intermediates formed during the reaction of RCONH2 with Br2 and KOH a...

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  2. Which of the following solution will have pH = 9 at 298 K ?

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  3. What is the oxidation state of Cr in CrO5 and why?

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  4. The IUPAC name of the compound (CH3)2CHCH = CHCH2 COOH is :

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  5. Propionamide when heated with a mixture of bromine and caustic alkali...

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  6. Aniline undergoes condensation to form Schiff base on reacting with:

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  7. On boiling tin with alkali, the product is :

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  8. The strength of H2O2 (in g/litre) in 15 volume solution of H2O2 is :

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  9. Which of the following alkali metal carbonates is the most stable towa...

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  10. When pure sulphuric acid is electrolysed, the product obtained at anod...

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  11. Anhydrous aluminium chloride fumes in air because of :

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  12. In a photoelectric effect, the energy of the photon striking a metalli...

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  13. In diborane (B2H6) there are :

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  14. The compound 2-Methyl-1,3 - butadiene has :

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  15. When K(2)Cr(2)O(7) is heated with conc. H(2)SO(4) in the presence of a...

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  16. The buffer solution contains equal concentration of X^(-) and HX. The ...

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  17. In 2-butene, which one of the following statements is true ?

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  18. The gas respondible for depleting ozone layer is :

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  19. For the reaction : 2A(g)+B(g)hArr 3C(g)+D(g) Two moles each of...

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  20. Identify Z in the following reaction : CH3 CH = CH2 underset("Perox...

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