Question # 1

Total number of d-block elements are

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10

20

30

40

Geometrical shape of [CO(NH3)6Cl3

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linear

square planar

Octahedral

Trigonal hypyramid

Group VI-B of transition elements contains

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Zn, Cd, Hg

Fe, Ru, Os

Cr, Mo, W

Mn, Te, Re

The total number of transition element is

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10

14

40

58

Which of the following is non-typical transition metal

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Fe

Mn

Zn

Ni

The strength of binding energy of transition elements depend upon

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number of electron pairs

number of unpaired electron pairs

number of neutrons

number of protons

The conversion of potassium magnate to potassium permanganate by passing Cl2 Through aqueous solution of K2MnO4 is called.

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Contact process

Open hearth process

Stadeler's process

Thermite process

Which element shows highest oxidation state among these

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Zn

Fe

Mn

Sc

The variation pattern in ionic radii of first transition series shows

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A regular increase

A regulars decrease

No regular pattern

A regular decrease and than alight increase

f-block elements are also called

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non typical transition elements

outer transition elements

normal transition elements

inner transition elements

Which of the following is a typical transition metal.

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Sc

Y

Ra

CO

d -block elements which show anomalous configuration in first series are

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Cr and Ni

Cr and Cu

Cu and CO

Fe and Ni

Which of the following is a typical transition metal

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Sc

Y

Ra

Co

Which form interstitial compounds.

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Fe

Ni

CO

All of those

Which of the following is a non typical transition element.

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Cr

Mn

Zn

Fe

Which complex shows zero oxidation state of the transition metal.

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[Fe(CO)5]

K3[Fe(CN)6]

K2[Fe(CN)6]

[Cu(NH3)4]SO4

The transition elements which are present in 4th period of periodic table have atomic number.

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22 to 30

21 to 30

21 to 29

21 to 31

Mild steel contains carbon percentage

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0.1 - 0.2%

0.3 - 0.7%

0.7 - 1.5%

1.6 - 2.0%

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