Coordination Compounds MCQs for NEET Chemistry with Answers
Krati Saraswat23 Sept, 2024
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Coordination Compounds MCQs: To excel in NEET, focusing on Coordination Compounds MCQs is important. Coordination Compounds MCQs questions assess your understanding of key concepts in coordination chemistry, which are an important part of the NEET Chemistry syllabus .
Regular practice with Coordination Compounds MCQs enhances your problem-solving skills and prepares you effectively for the exam. Reviewing past NEET questions related to coordination compounds can provide valuable insights into the NEET exam format and the frequently appearing types of questions. Students can access the Coordination Compounds MCQs below to boost their NEET exam preparation.Coordination Compounds MCQs NEET
For NEET preparation, practicing Coordination Compounds MCQs is essential. These questions often cover important aspects such as naming coordination compounds, ligand identification, and coordination numbers. Consistent practice of Coordination Compounds MCQs helps improve your grasp of these concepts and boosts your performance on the NEET exam. Analyzing NEET previous year questions can also help you become familiar with the exam's structure and question patterns.Also Check:
Coordination Compounds MCQs Class 12
In Class 12, mastering Coordination Compounds is important for both board exams and NEET preparation. The coordination Compounds chapter carries a significant weightage in NEET chemistry chapter-wise weightage . Start by understanding fundamental concepts and regularly practice Coordination Compounds MCQs to enhance your accuracy and speed. Using class notes, textbooks, and Coordination Compounds MCQs practice will further solidify your knowledge and better prepare you for both board exams and NEET.
Coordination Compounds MCQs With Answers
Practicing Coordination Compounds MCQs with answers is highly beneficial for NEET preparation. This approach provides immediate feedback and detailed explanations, which help clarify complex concepts and correct common mistakes. Solving Coordination Compounds MCQs with answers improves your understanding of coordination chemistry and enhances your problem-solving abilities. This method also helps reinforce learning and build confidence for the NEET exam. Students can practice Coordination Compounds MCQs with answers for NEET below.Q 1. Which of the following is incorrect regarding transition metals?
(1) Small size. (2) Low nuclear charge. (3) Presence of vacant orbitals. (4) Nature of acceptance of lone pair electrons.Ans. 2
Q 2. An aqueous solution of potash alum gives;
(1) two types of ions. (2) only one type of ion. (3) four types of ions. (4) three types of ions.Ans. 4
Q 3. Some salts although containing two different metallic elements give test for only one of them in solution. Such alts are;
(1) complex. (2) double salt. (3) normal salt. (4) None of theseAns. 1
Q 4. The central atom/ion of a coordination complex is also referred to as;
(1) lewis acid. (2) lewis base. (3) bronsted-lowry acid. (4) bronsted-lowry base.Ans. 1
Q 5. All ligands are;
(1) lewis acids. (2) lewis bases. (3) neutral. (4) None of theseAns. 2
Q 6. Ligand in a complex salt are;
(1) anions linked by coordinate bonds to a central metal atom or ion. (2) cations linked by coordinate bonds to a central metal or ion. (3) molecules linked by coordinate bonds to a central metal or ion. (4) ions or molecules linked by coordinate bonds to a central atom or ion.Ans. 4
Q 7. Assertion (A): Water (H2O) is categorized as a neutral ligand.
Reason (R): Water can donate a lone pair of electrons to the central metal atom, forming a single coordinate bond.
(1) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A). (2) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A). (3) Assertion (A) is true and Reason (R) is false. (4) Assertion (A) is false and Reason (R) is true.Ans. 1
Q 8. Denticity of glycinato ligand is;
(1) 1 (2) 2 (3) 3 (4) 4Ans. 2
Q 9. Among the following, the tridentate ligand is;
(1) dipyridine. (2) diethylene triamine. (3) ortho-phenanthroline. (4) triethylene tetramine.Ans. 2
Q 10. What is the denticity of the dmg ligand?
(1) 1 (2) 2 (3) 4 (4) 6Ans. 2
Q 11. An am bidentate ligand is one, which;
(1) is linked to the metal atom at two points. (2) has two donor atoms but only one of them has the capacity to form a coordinate bond. (3) has two donor atoms but either of the two can form a co-ordinate bond. (4) forms chelate rings.Ans. 3
Q 12. When NCS ligand co-ordinates through N-atom, it is called is;
(1) thiocyanate. (2) thionitrite. (3) isothiocyanate. (4) None of theseAns. 3
Q 13. Ethylenediaminetetraacetate (EDTA) ion is;
(1) tridentate ligand with three N-donor atoms. (2) hexadenate ligand with four O and two N-donor atoms. (3) unidentate ligand. (4) bidentate ligand with two N-donor atoms.Ans. 2
Q 14. Which of the following ligands form a chelate?
(1) Acetate (2) Oxalate (3) Cyanide (4) AmmoniaAns. 2
Q 15. Which of the following is a chelate ligand?
(1) Hydrazine (2) Glycinate (3) Sulphate (4) PyridineAns. 2
Q 16. Which of the following ligands will not show chelation?
(1) EDTA (2) DMG (3) Ethane-1,2-diamine (4) SCN–Ans. 4
Q 17. Identify the incorrect statements for the behaviour of ethane-1,2-diamine as a ligand.
(1) It is a neutral ligand. (2) It is a bidentate ligand. (3) It is a chelating ligand. (4) It is an unidentate ligand.Ans. 4
Q 18. Which of the following rules is incorrect regarding the IUPAC nomenclature of complex ions?
(1) A cation is named first and then anion. (2) In the coordination sphere, the ligands are named alphabetically. (3) Positively charged ligands have suffix 'ate: (4) More than one ligand of a particular type is indicated by using di, tri, tetra, etc.Ans. 3
Q 19. According to the postulates of Werner for coordination compounds;
(1) only secondary valency is ionisable. (2) primary valency is ionisable. (3) only primary valency is non-ionisable. (4) primary and secondary valency are ionisable.Ans. 2
Q 20. According to Werner's theory, the secondary valencies of a central metal atom correspond to its;
(1) oxidation state. (2) coordination number. (3) Both (1) and (2) (4) None of theseAns. 2
Q 21. According to Werner's theory, the stereochemistry of a complex is determined by;
(1) only primary valencies. (2) only by secondary valencies. (3) Both (1) and (2) (4) None of theseAns. 2
Q 22. According to Werner's theory of valency transition metals possess;
(1) only one type of valency. (2) two types of valencies. (3) three types of valencies. (4) four types of valencies.Ans. 2
Q 23. The groups satisfying the secondary valencies of a cation in a complex are called;
(1) radicals. (2) electron-deficient molecules. (3) primary valencies. (4) ligands.Ans. 4
Q 24. Which of the following statements are true regarding Werner's theory;
I. Ligands are connected to the metal ions by ionic bonds.
II. Secondary valencies have directional properties.
III. Secondary valencies are non-ionisable.
(1) I, II and III (2) II and III (3) I and III (4) I and IIAns. 2
Q 25. Which of the following is not a drawback of Werner's theory?
(1) Does not explain the valency of metal ions in the complex. (2) Does not give any explanation for the colour of complex compounds. (3) Does not explain the magnetic behavior of complex compounds. (4) Does not correlate the electronic configuration of the metal with the formation of the complex.Ans. 1
Q 26. Statement-I: In Werner's coordination theory, the primary valence of the metal ion is equivalent to its oxidation state.
Statement II: Werner’s theory suggests that the secondary valence (coordination number) is always satisfied by neutral molecules like water and ammonia.
(1) Statement-I and Statement-II both are correct. (2) Statement I is correct but Statement II is incorrect. (3) Statement I is incorrect but Statement II is correct. (4) Statement-I and Statement-II both are incorrect.Ans. 2
Q 27. Assertion (A): According to Werner's theory, complex compounds with the same chemical formula can exhibit different properties.
Reason (R): Such differences in properties are due to the different arrangements of ligands around the central metal ion, leading to isomerism.
(1) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A). (2) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A). (3) Assertion (A) is true and Reason (R) is false. (4) Assertion (A) is false and Reason (R) is true.Ans. 1
Q 28. According to the EAN rule, how many CO groups should be attached to Fe?
(1) 4 (2) 5 (3) 6 (4) 8Ans. 2
Q 29. In sodium nitroprusside, the oxidation number, coordination number, and EAN of iron are respectively;
(1) +3, 6, 36 (2) +2, 6, 36 (3) +3, 3, 36 (4) 6, +3, 35Ans. 2
Q 30. According to Sidgwick's effective atomic number rule, the central metal acquires;
(1) inert gas configuration. (2) octet. (3) duplet. (4) quartet.Ans. 1
Q 31. The EAN of platinum in potassium hexachloroplatinate (IV) is;
(1) 86 (2) 46 (3) 36 (4) 84Ans. 1
Q 32. Assertion (A): All the octahedral complexes of Ni2+ must be outer orbital complexes.
Reason (R): Outer orbital octahedral complexes are given by weak ligands.
(1) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A). (2) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A). (3) Assertion (A) is true and Reason (R) is false. (4) Assertion (A) is false and Reason (R) is true.Ans. 2
Q 33. When the formation of a complex involves the inner (n – 1) d-orbitals for hybridisation the complex is called;
(1) high spin complexes. (2) low spin complexes. (3) zero spin complexes. (4) positive spin complexes.Ans. 2
Q 34. The shape of the complex species will be square planar if ts coordination number is;
(1) 2 (2) 6 (3) 5 (4) 4Ans. 4
Q 35. Which of the following is not a limitation of valence bond theory?
(1) It does not explain the colour exhibited by coordination compounds. (2) It does not give a quantitative interpretation of magnetic data. (3) It does not distinguish between weak and strong ligands. (4) It does not explain the overlapping of atomic orbitals.Ans. 4
Q 36. According to CFT, ΔO is called;
(1) pairing energy. (2) crystal field excitation energy. (3) crystal field splitting energy. (4) resonance energy.Ans. 3
Q 37. How many unpaired electrons are there in a strong field iron(II) octahedral complex?
(1) 0 (2) 1 (3) 2 (4) 4Ans. 1
Q 38. Strong field ligands such as CN–;
(1) usually produce high spin complexes and small crystal field splittings. (2) usually produce low spin complexes and small crystal field splittings. (3) usually produce low spin complexes and high crystal field splittings. (4) usually produce high spin complexes and high crystal field splittings.Ans. 3
Q 39. Statement-I: Potassium ferrocyanide is diamagnetic whereas potassium ferricyanide is paramagnetic.
Statement-II: Crystal field splitting in ferrocyanide ion is greater than that of ferricyanide ion.
(1) Statement-I and Statement-II both are correct. (2) Statement I is correct but Statement II is incorrect. (3) Statement I is incorrect but Statement II is correct. (4) Statement-I and Statement-II both are incorrect.Ans. 2
Q 40. Which of the following factors does not affect the magnitude of CFSE?
(1) Oxidation state of the metal ion. (2) Nature of the ligands. (3) Geometry of the complex. (4) Size of the metal ion.Ans. 4
Q 41. Which of the following statements is correct regarding CFSE and stability of complexes?
(1) The higher the CFSE, the lower the stability of the complex. (2) CFSE has no effect on the stability of the complex. (3) The higher the CFSE, the higher the stability of the complex. (4) CFSE is only applicable to tetrahedral complexes.Ans. 3
Q 42. Which of the following statements is correct?
(1) The colour of the complex depends upon the energy of transition. (2) The intensity of colour does not depend upon the number of transitions. (3) The wavelength of absorption is directly proportional to splitting energy. (4) All of theseAns. 1
Q 43. Which of the following cannot be explained by crystal field theory?
(1) The order of spectrochemical series. (2) Stability of metal complexes (3) Magnetic properties of transition metal complexes. (4) Colour of metal complexes.Ans. 1
Q 44. Which is not true about metal carbonyls?
(1) Here CO acts as a lewis base as well as lewis acid. (2) Here metal acts as lewis base as well as lewis acid. (3) Here dπ – pπ back bonding takes place. (4) Here pπ – pπ back bonding takes place.Ans. 4
Q 45. The π-bonded organometallic compound which has ethene as one of its component is;
(1) zeise's salt. (2) ferrocene. (3) dibenzene chloromium. (4) tetraethyl tin.Ans. 1
Q 46. Which among the following is not a π-bonded orgametallic compound?
(1) Zeise's salt (2) Ferrocene (3) Dibenzene chromium (4) Tetraethyl leadAns. 4
Q 47. The central metal present in chlorophyll is;
(1) Mg (2) Co (3) Fe (4) CaAns. 1
Q 48. Assertion (A): Linkage isomerism arises in coordination compounds containing ambidentate ligand.
Reason (R): Ambidentate ligand has two different donor atoms.
(1) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A). (2) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A). (3) Assertion (A) is true and Reason (R) is false. (4) Assertion (A) is false and Reason (R) is true.Ans. 1
How to Solve Coordination Compounds MCQs?
Some tips and tricks for solving Coordination Compounds MCQs are as follows:- Understand Basic Concepts : Familiarize yourself with essential terms such as coordination number, ligand, chelate, isomerism, and theories like Valence Bond Theory (VBT) and Crystal Field Theory (CFT).
- Practice Naming and Formula Writing : Learn the IUPAC rules for naming coordination compounds and practice writing their chemical formulas.
- Identify Ligands and Coordination Number : Be able to identify common ligands and determine the coordination number of the central metal ion.
- Practice with MCQs : Solve a variety of MCQs to enhance your problem-solving abilities and build confidence.
- Review Concepts : If you face difficulties, revisit the relevant concepts and seek clarification as needed.
- Review Previous Questions : Analyze mistakes from past MCQs to prevent repeating them and improve your understanding.
- Time Management : Practice answering MCQs under timed conditions to boost your speed and accuracy during exams.
Coordination Compounds MCQs FAQs
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