41. |
Which of the following ion is coloured in water ?
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Answer:
Option (d) |
42. |
Which is paramagnetic from the following ? Fe2+,Zn0,Hg2+,Ti+4
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Answer:
Option (a) |
43. |
Which compound is not possible of Titanium (z=22) ?
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Answer:
Option (d) |
44. |
Which of the following elements is of d- block even then it is not transition element ?
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Answer:
Option (d) |
45. |
The aqueous solution of which of the following ions is green coloured ?
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Answer:
Option (c) |
46. |
Which of the following ions in its aqueous solution possesses the value of magnetic moment as 3.87 ?
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Answer:
Option (b) |
47. |
What is the oxidation state of V in vanadates ?
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Answer:
Option (c) |
48. |
Which of the following metals form complex in zero oxidation state ?
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Answer:
Option (b) |
49. |
What is the general electronic configuration of actinide series ?
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Answer:
Option (c) |
50. |
State the number of unpaired electrons in Ni2+ .
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Answer:
Option (b) |