Entry Test MCQ :: Transition Elements

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11.

The oxidation state of transition elements is usually

A.	variable	B.	constant
C.	single	D.	infinite

12.

When light is exposed to transition element then electrons jump from lower orbitals to higher orbitals in

A.	orbitals of f-subshell	B.	orbitals of d-subshell
C.	orbitals of p-subshell	D.	both a & b

13.

Non-stoichiometric compounds of transition elements are called

A.	hydrates	B.	hydrides
C.	binary compounds	D.	interstitial compounds

14.

When a compound of transition element is dissolved in a solution of salt then it produces

A.	simples ions	B.	complex ions
C.	double salts	D.	strong anions

15.

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

A.	anion	B.	cation
C.	Ligand is positively charged	D.	acid

16.

The species which donate two electron pairs in a coordination compound is called

A.	ligand	B.	mono-dentate ligand
C.	poly-dentate ligand	D.	bi-dentate ligand

17.

Which of the following can form a chealate

A.	ammine	B.	oxalato
C.	carbonyl	D.	cyano

18.

The central atom along with ligands is called

A.	complex ion	B.	coordination sphere
C.	ligand	D.	complex compound

19.

The compound or complex ion which has a ring in its structure

A.	polydentate ligand	B.	chelate
C.	monodentate ligand	D.	hydrate

20.

In complex compounds the oxidation number is written in

A.	English	B.	Greek
C.	Roman numeral	D.	Hebrew