Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NTA Abhyas JEE Main2020ChemistryCoordination CompoundsPractice

How many of the following are optically inactive? i. t r a n s - Co en 2 NH 3 Cl 2 + ii. c i s - [ Co ( en ) 2 Br 2 ] + iii. [ Co ( NH 3 ) 3 Cl 3 ] iv. t r a n s - Co NH 3 4 Cl 2 + v. t r a n s - [ CoCl 2 ( C 2 O 4 ) 2 ] 3 -

Correct answer

4.00

Step-by-step solution

Complexes ( i ) , ( i i i ) , i v and v are optically inactive due to the presence of plane of symmetry.

Practice Coordination Compounds on Quantrex Academy →

More from Coordination Compounds

Reaction of PtF ₆ with oxygen ( O ₂ ) gas results in the formation of an ionic compound, X ^+ Y ^- . Correct statement(s) is(are) 2026The total number of all possible isomers for the square planar complex with formula K [ M(NCS)(NO ₂ )(gly) ] is ____. ( M = metal ion and gly = NH ₂ CH ₂ COO ^- ) 2026Consider that the coordinating atoms of the ligands in cis -[Co(NH₃ )₄ Cl₂ ]Cl and mer -[Co(NH₃ )₃ Cl₃ ] octahedral complexes are at the vertices of an octahedron. The sum of total 2026Number of paramagnetic complexes among the following is ________. [ MnBr ₄]²⁻ , [ NiCl ₄]²⁻ , [ Ni(CN) ₄]²⁻ , [ Ni(CO) ₄] , [ CoF ₆]³⁻ , [ Fe(CN) ₆]⁴⁻ , [ Mn(CN) ₆]³⁻ , [ Ti(CN) ₆] 2026Which of the following sequences of hybridisation, geometry and magnetic nature are correct for the given coordination compounds ? A. [ NiCl ₄]²⁻- sp ^3 , tetrahedral, paramagnetic 2026An excess of AgNO₃ is added to 100 mL of a 0.05 M solution of tetraaquadichloridochromium (III) chloride. The number of moles of AgCl precipitated will be __________ 10⁻³ . (Neares 2026Match the List-I with List-II List-I Electronic configuration of tetrahedral metal ion List-II Crystal Field Stabilization Energy ( _t ) A. d^2 I. -0.6 B. d^4 II. -0.8 C. d^6 III. 2026Which of the following are true about the energy of the given d-orbitals of a tetrahedral complex? A. d_ xy = d_ xz > d_ x^2-y^2 B. d_ xy = d_ yz > d_ z^2 C. d_ x^2-y^2 > d_ z^2 > 2026 Full Coordination Compounds list All NTA Abhyas JEE Main PYQs