Chemistry MCQs

Page No. 15

Which of the following statements is false about transition metals?


aThey form complexes

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bThey show variable valency

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cAll transition metal compounds are paramagnetic

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dThey form coloured ions

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Colour in transition metal compounds is attributed to____________?


aSmall sized metal ions

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bAbsorption of light in UV region

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cComplete ns sub-shell

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dIncomplete (n-1) d sub-shell

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The maximum oxidation shown by manages is_________?


a+2

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b+4

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c+5

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d+7

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View Answer +7

Which of the following is soluble in water?


aAgF

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bAgCl

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cAgBr

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dAgI

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View Answer AgF

Which of the following alloys contain(s) Cu and Zn?


aBronze

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bBrass

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cGun-metal

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dType metal

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View Answer Brass

Transition elements, in general, exhibit the following properties, except one. Name that property?


aVariable oxidation state

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bNatural Radioactivity

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cTendency to form complexes

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dFormation of alloys

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View Answer Natural Radioactivity

The substance used in cancer therapy is___________?


aFe

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bCo

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cNi

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dRn

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View Answer Co

Carbon in wrought iron is present as_________?


aSilicon carbide

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bIron carbide

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cGraphite

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dPartly as iron carbide and partly as graphite

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View Answer Iron carbide

Stainless steel contains___________?


aFe+Cr+Ni

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bFe+Ni+Cu

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cFe+ Cr+Cu

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dCu+C+Ni

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View Answer Fe+Cr+Ni

A theoretical link between quantum mechanics and thermodynamics is_________?


aElectrochemistry

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bMatrix mechanics

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cStatistical thermodynamics

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dSoectroscopic analysis

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