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The correct way of naming Co in [CoCl2(e...

The correct way of naming Co in `[CoCl_2(en)_2]^+` is __

A

cobalt(III)

B

cobalt(II)

C

cobaltate(III)

D

cobaltate(II)

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AAKASH INSTITUTE ENGLISH-TEST 1-EXAMPLE
  1. The alkyl halide which will react fastest in aquesous alkaline medium ...

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  2. Which among the following is an intensive property?

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  3. The correct way of naming Co in [CoCl2(en)2]^+ is

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  4. The most acidic compound among the following is

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  5. If the complex ion is cationic, the name of the metal ends with suffix...

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  6. Which of the following is strongly hydrated in aqueous solution ?

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  7. Correct decreasing order of electron affinity of the given elements is

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  8. The product which is not formed by the reaction of aqueous AgNO3 with ...

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  9. Incorrect statement among the following is

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  10. Solubility of AgCl in 0.1 M CaCl2 solution will be (K(sp) of AgCl=1.8×...

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  11. Which among the following is not a a conjugate acid base pair?

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  12. 100 ml of 0.2 M CH3COOH is titrated with 0.2 M NaOH solution. The pH o...

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  13. Identify the correct formula for hexaaquamanganese(II) ion.

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  14. If the equilibrium constant of a reaction is 2×10^3 at 25°C then the s...

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  15. Most unstable metal carbonyl among the following is

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  16. The species which is See-Saw in shape is

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  17. Which among the following is most soluble in water?

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  18. The compound which is an an antidepressant is

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  19. The monomer of acrilon is

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  20. The compound which will not give positive Tollen's test is

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