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The oxidation of central atom in the com...

The oxidation of central atom in the complex ` [ Co(NH_(3))_(4) CINO_(2)]` is

A

` +2`

B

`+3`

C

`+1`

D

zero

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The correct Answer is:
A
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NCERT FINGERTIPS-PRACTICE PAPER -1-Practice Paper 1
  1. Tincture of iodine is

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  2. Which of the following cannot show linkage isomerism?

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  3. The oxidation of central atom in the complex [ Co(NH(3))(4) CINO(2)] ...

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  4. Which of the following are intermediates in the reaction of excess of ...

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  5. Acetic acid is obtained when

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  6. In alpha -helix , structure, polypepetide chains are folded in a

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  7. The electrode potential is the tendency of metal

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  8. Transition elements exhibit higher enthalpiese of atomization because

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  9. Which of the following is a monomer of natural rubber ?

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  10. The compound which reacts fastest with Lucas reagent at room temperatu...

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  11. Bakelite is obtained from phenol by reaction with

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  12. Which one of the following on oxidation gives a ketone ?

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  13. An ether is more volatile than alcohol having the same molecular formu...

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  14. The reaction RCH(2)CH(2)COOHoverset(Red P + Br2) to R - CH(2) - CH(Br...

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  15. Which of the following is useed for inducing sleep ?

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  16. Identify A in the following sequence of reactions A overset(NH(3)) ...

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  17. IN the reaction, 2NO + CI(2) to 2NOCI it has been found that doublin...

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  18. Which one of the following ions is coloured ?

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  19. which of the following statements about lanthanides is incorrect ?

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  20. Match the column I with column II and mark the appropriate choice.

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