Coordination Compounds MCQs for NEET, JEE, CBSE Exams

The compounds in which the central atom or group of atoms is surrounded by anions or neutral molecules called ligands are known as coordination compounds. In the coordination compounds, the central group acts as Lewis acid. The ligands are electron-pair donors and function as the Lewis base. The branch of chemistry under which properties of such compounds are studied is called the coordination chemistry. There is no sharp dividing line between the covalent, coordination and ionic compounds.

1. When 0.1 mol CoCl3(NH3)5 is combined with excess AgNO3, then 0.2 mol AgCl is obtained. The conductivity of the solution suits the

  1. 1:3 electrolyte
  2. 1:1 electrolyte
  3. 3:1 electrolyte
  4. 1:2 electrolyte

Answer: (d)

2. A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?

  1. Thiosulphato
  2. Oxalato
  3. Glycinato
  4. Ethane-1,2-diamine

Answer: (a)

3. IUPAC name of [Pt(NH3)2Cl(NO2)] is

  1. Platinum diamminechloronitrite
  2. Chloronitrito-N-ammineplatinum (II)
  3. Diamminechloridonitrito-N-platinum (II)
  4. Diamminechloronitrito-N-plantinate (II)

Answer: (c)

4. In the complex [E(en)2(C2O4)]NO2 (where (en) is ethylenediamine) _______are the coordination number and the oxidation state of the element ‘E’ respectively.

  1. 6 and 2
  2. 2 and 2
  3. 4 and 3
  4. 6 and 3

Answer: (d)

5. The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where (en) is ethylenediamine) is

  1. 9
  2. 6
  3. 7
  4. 8

Answer: (a)

6. Some salts containing two different metallic elements give test for only one of them in solution, such salts are

  1. double salts
  2. normal salts
  3. complex salts
  4. None of these

Answer: (c)

7. An example of a sigma bonded organometallic compound is

  1. Grignard reagent
  2. Ferrocene
  3. Cobaltocene
  4. Ruthenocene

Answer: (a)

8. Iron carbonyl, Fe(CO)5 is

  1. Tetranuclear
  2. Mononuclear
  3. Dinuclear
  4. Trinuclear

Answer: (b)

9. The type of isomerism shown by the complex [CoCl2(en)2] is

  1. Geometrical isomerism
  2. Coordination isomerism
  3. Linkage isomerism
  4. Ionization isomerism

Answer: (a)

10. Which of the following elements do not form a complex with EDTA?

  1. Ca
  2. Mg
  3. Be
  4. Sr

Answer: (c)

Er. Neeraj K.Anand is a freelance mentor and writer who specializes in Engineering & Science subjects. Neeraj Anand received a B.Tech degree in Electronics and Communication Engineering from N.I.T Warangal & M.Tech Post Graduation from IETE, New Delhi. He has over 30 years of teaching experience and serves as the Head of Department of ANAND CLASSES. He concentrated all his energy and experiences in academics and subsequently grew up as one of the best mentors in the country for students aspiring for success in competitive examinations. In parallel, he started a Technical Publication "ANAND TECHNICAL PUBLISHERS" in 2002 and Educational Newspaper "NATIONAL EDUCATION NEWS" in 2014 at Jalandhar. Now he is a Director of leading publication "ANAND TECHNICAL PUBLISHERS", "ANAND CLASSES" and "NATIONAL EDUCATION NEWS". He has published more than hundred books in the field of Physics, Mathematics, Computers and Information Technology. Besides this he has written many books to help students prepare for IIT-JEE and AIPMT entrance exams. He is an executive member of the IEEE (Institute of Electrical & Electronics Engineers. USA) and honorary member of many Indian scientific societies such as Institution of Electronics & Telecommunication Engineers, Aeronautical Society of India, Bioinformatics Institute of India, Institution of Engineers. He has got award from American Biographical Institute Board of International Research in the year 2005.