Chemistry Mcqs

Non-stoichiometric compounds of transition elements are called___________________?

(A) hydrates

(B) hydrides

(C) binary compounds

(D) interstitial compounds

Submitted By: Ali Uppal


The oxidation state of transition elements is usually _______________________?

(A) variable

(B) constant

(C) single

(D) infinite

Submitted By: Ali Uppal


The correct electronic configuration of Cr is____________________?

(A) [Ar]4s23d4

(B) [Ar] 4s23d4

(C) [Ar]4s03d5

(D) [Ar]4s13d5

Submitted By: Ali Uppal


Pure metal__________________?

(A) corrode slowly

(B) corrode rapidly

(C) does not corrode easily

(D) none of these

Submitted By: Ali Uppal


The central atom along with ligands is called____________________?

(A) complex ion

(B) coordination sphere

(C) ligand

(D) complex compound

Submitted By: Ali Uppal


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

Submitted By: Ali Uppal


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

Submitted By: Ali Uppal


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

Submitted By: Ali Uppal


Compounds attracted by applied strong magnetic field are called__________________?

(A) diamagnetic

(B) paramagnetic

(C) good conductor

(D) ferromagnetic

Submitted By: Ali Uppal


The location of transition elements is in between__________________?

(A) lanthanides & actinides

(B) s and p block elements

(C) chalcogens and halogens

(D) d and f block elements

Submitted By: Ali Uppal