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MDCAT Chemistry Chapter 11 S and P Block Elements Online Test MCQs With Answers

Question # 1

Stability of Cu-metal is due to filled of d-orbital

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Half

Completely

Partially

Quarterly

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Question # 2

Which pair of transition elements shows abnormal electronic configuration?

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Sc and Zn

Cu and Sc

Zn and Cu

Cu and Cr

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Question # 3

D-block elements are also called

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Non-typical transition element

Outer transition elements

Abnormal transition elements

Inner transition

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Question # 4

In the electronic configuration of Cr one electron from 4s sub-shell is transferred to 3d sub-shell because

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The 3d orbital is of lower energy than 4s

The half-filled d-subshell is more stable than 4 electrons having d-subshell

The 4s orbital is of equal energy to 3d orbital

6 unpaired electron make Cr more paramagnetic

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Question # 5

Group VIB of transition elements contains

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Zn. Cd. Hg

Cr. Mo, w

Fe. Ru, Os

Mn. Te. Re

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Question # 6

The strength of binding energy of transition elements depends upon

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Number of electron pairs

Number of unpaired electrons

Number of neutrons

Number of protons

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Question # 7

All 3d series elements show an oxidation state of oxidation state

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Zero

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Question # 8

d-d transition cannot be observed in

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Question # 9

TiCl4 is used as catalyst for manufacture of

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Sulphuric acid

Plastics

Ethanol

Tetraethyl lead

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Question # 10

Electrons in 5d energy level are filled up in case of

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Lanthanides

Transition metals

Actinides

Rare gases

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Question # 11

Which of the following transition metal forms colourless compounds in +4 oxidation state?

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