Chemistry MCQs

Page No. 63

Which is sold as fertilizer ___________________?


aCaSiO3


bNa2SiO3


cCa3(PO4)2


dMnSiO3


View Answer Ca3(PO4)2

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


aSiO2


bFe2O3


cFeO


dCaO MgO


View Answer CaO MgO

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


a0.12 — 0.25%


b2.5 — 4.5%


c2.0 — 4.0%


d0.25 — 2.5%


View Answer 2.5 — 4.5%

Geometry of the complex compounds usually depends upon __________________?


atype of ligands


btypes of hybridization in the elements of ligands


chybridization of central metal


dAll of the above



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


apolydentate ligand


bchelate


cmonodentate ligand


dhydrate


View Answer chelate

Which of the following can form a chealate______________________?


aammine


boxalato


ccarbonyl


dcyano


View Answer oxalato

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


aanion


bcation


cLigand is positively charged


dacid



Non-stoichiometric compounds of transition elements are called___________________?


ahydrates


bhydrides


cbinary compounds


dinterstitial compounds



The oxidation state of transition elements is usually _______________________?


avariable


bconstant


csingle


dinfinite


View Answer variable

The correct electronic configuration of Cr is____________________?


a[Ar]4s23d4


b[Ar] 4s23d4


c[Ar]4s03d5


d[Ar]4s13d5


View Answer [Ar]4s13d5

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