Question # 1

Which element shows highest oxidation state among these

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Zn

Fe

Mn

Sc

The aqueous solution of which substances is green in colour

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K2CrO4

K2CrO7

KMnO4

K2MnO4

The total number of transition element is

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10

14

40

58

Co-ordination number of Cu in

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Zero

Two

Four

Six

Which of the following is a typical transition metal

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Sc

Y

Ra

Co

Which of the following is a non typical transition element.

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Cr

Mn

Zn

Fe

Geometrical shape of [CO(NH3)6Cl3

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linear

square planar

Octahedral

Trigonal hypyramid

Which form interstitial compounds.

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Fe

Ni

CO

All of those

Typical transition element is

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Sc

CO

Ra

Y

Which of the following is non-typical transition element

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Cr

Mn

Zn

Fel

Group VI-B of transition elements contains

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Zn, Cd, Hg

Fe, Ru, Os

Cr, Mo, W

Mn, Te, Re

Which one of the following complexes is chelate.

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Potassium hexacyanoferrate (II)

Diammine silver (I) Chloride

Tetracarbonylnikel (0)

Sodium dioxalatoplatinate (II)

In [Co(NH3)6]+3 the coordination number of cobalt is.

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Zero

Two

Four

Six

f - block elements are also called.

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Non typical transition elements

Outer transition elements

Inner transition elements

None of true

Chlomyl chloride test is used for the confirmation of

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Cl-

CO3^-2

NO3-

Cu2+

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

f-block elements are also called

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non typical transition elements

outer transition elements

normal transition elements

inner transition elements

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