Chemistry MCQs

Page No. 63

Which is sold as fertilizer ___________________?


aCaSiO3

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bNa2SiO3

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cCa3(PO4)2

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dMnSiO3

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View Answer Ca3(PO4)2

With impurities like P and S the open hearth furnace is lined with ?


aSiO2

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bFe2O3

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cFeO

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dCaO MgO

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View Answer CaO MgO

In pig iron the concentration of C-atom is ___________________?


a0.12 — 0.25%

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b2.5 — 4.5%

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c2.0 — 4.0%

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d0.25 — 2.5%

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View Answer 2.5 — 4.5%

Geometry of the complex compounds usually depends upon __________________?


atype of ligands

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btypes of hybridization in the elements of ligands

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chybridization of central metal

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dAll of the above

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The compound or complex ion which has a ring in its structure__________________?


apolydentate ligand

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bchelate

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cmonodentate ligand

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dhydrate

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View Answer chelate

Which of the following can form a chealate______________________?


aammine

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boxalato

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ccarbonyl

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dcyano

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View Answer oxalato

The specie which donates electrons to central metal atom in coordination sphere is called____________________?


aanion

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bcation

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cLigand is positively charged

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dacid

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Non-stoichiometric compounds of transition elements are called___________________?


ahydrates

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bhydrides

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cbinary compounds

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dinterstitial compounds

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The oxidation state of transition elements is usually _______________________?


avariable

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bconstant

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csingle

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dinfinite

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View Answer variable

The correct electronic configuration of Cr is____________________?


a[Ar]4s23d4

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b[Ar] 4s23d4

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c[Ar]4s03d5

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d[Ar]4s13d5

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View Answer [Ar]4s13d5

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