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Coordination Compounds

JEE Main 2024 (Online) 29th January Evening ShiftMCQEasy📈 Topic in 3% papers+4−1
Ques. 1JEE Main 2024, 29 January (Evening Shift)

The correct IUPAC name of K2MnO4 is

  1. Potassium tetraoxidomanganate (VI)
  2. Dipotassium tetraoxidomanganate (VII)
  3. Potassium tetraoxopermanganate (VI)
  4. Potassium tetraoxidomanganese (VI)

Answer

(1) Potassium tetraoxidomanganate (VI)

Solution

Oxidation state of Mn: 2(+1) + x + 4(-2) = 0 ⇒ x = +6

Anion [MnO4]2-: ligand O2- = oxido, 4 ⇒ tetraoxido; anionic metal name ends in -ate ⇒ manganate

∵ the oxidation state (VI) is given, the number of K+ is not prefixed

⇒ Potassium tetraoxidomanganate(VI)

Answer: (1)

Keep practising — Coordination Compounds

Ques. 2JEE Main 2024, 27 January (Morning Shift)

Consider the following complex ions P = [FeF6]3- Q = [V(H2O)6]2+ R = [Fe(H2O)6]2+ The correct order of the complex ions, according to their spin only magnetic moment values (in B.M.) is :

  1. R < Q < P
  2. R < P < Q
  3. Q < R < P
  4. Q < P < R
Ques. 3JEE Main 2024, 27 January (Evening Shift)

Identify from the following species in which d2sp3 hybridization is shown by central atom :

  1. [Co(NH3)6]3+
  2. SF6
  3. [PtCl4]2-
  4. BrF5
Ques. 4JEE Main 2024, 27 January (Evening Shift)

The Spin only magnetic moment value of square planar complex [Pt(NH3)2Cl(NH2CH3)]Cl is B.M. (Nearest integer) (Given atomic number for Pt = 78)

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