d & f block Elements-I Chemistry Test Series IIT JEE

Test Preparation on d & f block Elements-I-Chemistry Test Series IIT JEE-2020

1.

The general electronic configuration of transition elements is

11
22
33
44

2.

Mercury is the only metal which is liquid at 0oC . This is due to its-

1Very high ionisation energy and weak metallic bond
2Low ionisation potential
3High atomic weight
4High vapour pressure

3.

A transition element X has a configuration [Ar]3d 4 in its + 3 oxidation state. Its atomic number is

125
226
322
419

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