Which one of the following molecules is expected to exhibit diamagnetic behaviour?
C2
N2
O2
S2
Additional Questions
What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid? |
Answer |
The ground state electronic configuration of CO molecule is |
Answer |
Of the following outer electronic configurations of atoms, the highest oxidation stateis achieved by which one of them? |
Answer |
Which is the chief ore of copper? |
Answer |
Mercury is a liquid metal because |
Answer |
The actinoids exhibits more number of oxidation states in general than the lanthanoids. This is because |
Answer |
The bonds present in the structure of dichromate ion are |
Answer |
Which of the following lanthanoid ions is diamagnetic? (At. nos. Ce = 58, Sm = 62, Eu = 63, Yb = 70) |
Answer |
The methods chiefly used for the extraction of lead and tin from their ores are respectively |
Answer |
Which do not decolourise KMnO4 aqueous solution? |
Answer |