CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
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In which compound Fe has higher oxidation state. A.Fe B.Fe2O3 C.FeO D.All
What conductivity range of drinking water
A. 2000-2500
B. 1000-1500
C. 500-1000
D. 100-200
Submitted by :- Javed ali
Baba Fariduddin Ganjshakr married with the daughter of __________?
A. Mahmood Ghazni
B. Ghyasuddin Balban
C. Iltutmish
D. Sher Shah Suri
Submitted by :- Jamil Ahmed
The master plan of Islamabad was prepared by: ____________?
A. S.B Zisman
B. C.A Doxiadis
C. Patrick Geddes
D. Ebenzer Howard
Submitted by :- Jamil Ahmed
Examples of Weak Ligands
Weak Ligands
- I−
- Br−
- S2−
- Cl−
- N3−
- F−, etc
Submitted by :- Jamil Ahmed
Examples of Strong Ligands
Strong ligands
- NO2−
- PPh3
- CN−
- CO, etc
Submitted by :- Jamil Ahmed
Some Common Ligands with their name, formula and charge
| Actual Name (Symbol used) | Formula | Charge | Donor Atom(s) | Name given in the complex |
| Negative ligands
Cyanide ion Halide ion peroxide ion sulphide ion |
CN–
X(F– , Cl– ,Br– I–) O22- S2- |
-1
-1 -2 -2 |
C
X O S |
cyano or cyanide
fluoride/chloride/bromide/iodide peroxo sulphido |
| Positive ligands
Hydrazinium ion Nitrosonium ion Nitronium ion |
NH3+
NO+ NO2+ |
+1
+1 +1 |
N
N N |
hydrazinium
nitrosonium nitronium |
| Neutral ligands
Methylamine Ammonia Water |
CH2NH2
NH3 H2O |
Zero
Zero Zero |
N
N O |
methylamine
ammine aqua or aquo |
Submitted by :- Jamil Ahmed
Some common examples bridging ligands are given below
| Bridging ligand | Name |
| OH– | Hydroxide |
| N3– | Nitride |
| CO | Carbonyl |
| Cl– | Chloride |
| NH2– | Amido |
| H– | Hydride |
| O2 | Oxide |
Submitted by :- Jamil Ahmed
The ligands that have one lone pair for coordination and bear no charge and are known to be neutral, Some examples are mentioned below:
| Symbol | Name |
| (C6H5)3P | Triphenylphosphine |
| C2H4 | ethylene |
| NH2OH | hydroxylamine |
| N2 | dinitrogen |
| O2 | dioxygen |
| C2H5N | Pyridine (py) |
| CO | carbonyl |
| C2H5N | Ammine |
| NS | Thionitrosyl |
Submitted by :- Jamil Ahmed