Question # 1

No of unpaired electrons are maximum in

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V+3

Mn+2

Fe+3

Cr+3

D-block elements are also called

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Non-typical transition element

Outer transition elements

Abnormal transition elements

Inner transition

Which of the following are responsible for the colour developed in transition elements compounds?

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s-orbitals

p-orbitals

d-orbitals

f-orbitals

Which of the following is a non-typical transition element?

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Cr

Zn

Mn

Fe

A transition element X has a configuration [Ar) 4s3dd in its +3 oxidation state. Its atomic number is

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25

26

22

19

Paramagnetic behaviour is caused by the presence of

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Unpaired electrons

Paired electrons

Paired protons

Paired electrons in an atom. molecule or ion

Transition compounds which occur as tripositive ions have no

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4s-electron

3p-electron

3s-electron

2s-electron

Zn has

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Zero unpaired electrons

Three unpaired electrons

Five unpaired electrons

One paired electrons

The highest oxidation state of manganese is

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+7

-7

+6

+4

Catalyst used for ammonia synthesis is

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Cu

Co

Zn

Fe

Which of the folowing compound is expected to be colored

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Na2SO4

ZnCl2

MgF₂

CuF₂

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

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