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 :-
Jamil Ahmed
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 :-
Jamil Ahmed
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 :-
Jamil Ahmed
Compounds attracted by applied strong magnetic field are called__________________?
A. diamagnetic
B. paramagnetic
C. good conductor
D. ferromagnetic
Submitted by :-
Jamil Ahmed
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 :-
Jamil Ahmed
Animal and vegetable fats are___________________?
A. Glycerols
B. Fatty acids
C. Triesters formed from glycerol and fatty acids
D. Tetraesters formed from glycerol and fatty acids
Submitted by :-
Jamil Ahmed
Lipids are soluble in___________________?
A. Organic solvents
B. Organic and inorganic solvents
C. Inorganic solvents
D. Solubility has nothing to do with lipids
Submitted by :-
Jamil Ahmed
Protein attached to some non protein group is called____________________?
A. Derived protein
B. Sample protein
C. Proteoses
D. Conjugated protein
Submitted by :-
Jamil Ahmed
The process of polymerization was classified by___________________?
A. Strecker
B. Sabatier
C. Runge
D. W. H. Carothers
Submitted by :-
Jamil Ahmed
Hydrolysis of an oligosaccharide in the presence of acid yields________________?
A. one monosaccharide unit
B. No monosaccharide unit
C. 2-9 monosaccharide unit
D. many monosaccharide
Submitted by :-
Jamil Ahmed