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Coordination Compounds

JEE Main 2024 (Online) 1st February Evening ShiftMCQEasy📈 Topic in 32% papers+4−1
Ques. 1JEE Main 2024, 1 February (Evening Shift)

[Co(NH3)6]3+ and [CoF6]3- are respectively known as :

  1. Inner orbital Complex, Spin paired Complex
  2. Spin paired Complex, Spin free Complex
  3. Spin free Complex, Spin paired Complex
  4. Outer orbital Complex, Inner orbital Complex

Answer

(2) Spin paired Complex, Spin free Complex

Solution

[figure]

∵ NH3 (strong field, o > P) pairs all six electrons in t2g ⇒ spin paired (inner orbital, d2sp3)

∵ F- (weak field, o < P) gives no pairing ⇒ 4 unpaired e⁻ ⇒ spin free (outer orbital, sp3d2)

Answer: (2)

Keep practising — Coordination Compounds

Ques. 2JEE Main 2024, 31 January (Morning Shift)

The correct statements from following are: Choose the correct answer from the options given below:

  1. B, C only
  2. B, D only
  3. A, C only
  4. A, D only
Ques. 3JEE Main 2024, 31 January (Morning Shift)

The 'Spin only' Magnetic moment for [Ni(NH3)6]2+ is 10-1 BM. (given = Atomic number of Ni : 28)

Ques. 4JEE Main 2024, 31 January (Evening Shift)

Select the option with correct property -

  1. [Ni(CO)4] and [NiCl4]2- both Paramagnetic
  2. [Ni(CO)4] and [NiCl4]2- both Diamagnetic
  3. [NiCl4]2- Diamagnetic, [Ni(CO)4] Paramagnetic
  4. [Ni(CO)4] Diamagnetic, [NiCl4]2- Paramagnetic
Ques. 5JEE Main 2024, 31 January (Evening Shift)

Match List I with List II Choose the correct answer from the options given below:

  1. A-IV, B-I, C-II, D-III
  2. A-III, B-II, C-IV, D-I
  3. A-II, B-III, C-IV, D-I
  4. A-IV, B-III, C-I, D-II
Ques. 6JEE Main 2024, 30 January (Morning Shift)

Choose the correct statements from the following : Choose the correct answer from the options given below :

  1. (B), (C), (E) only
  2. (A), (D), (E) only
  3. (C), (D), (E) only
  4. (A), (B), (C) only
Ques. 7JEE Main 2024, 30 January (Evening Shift)

The coordination geometry around the manganese in decacarbonyldimanganese(0) is

  1. Trigonal bipyramidal
  2. Square pyramidal
  3. Square planar
  4. Octahedral
Ques. 8JEE Main 2024, 30 January (Evening Shift)

Number of complexes which show optical isomerism among the following is . cis- [Cr(ox)2Cl2]3-, [Co(en)3]3+, cis- [Pt(en)2Cl2]2+, cis- [Co(en)2Cl2]+, trans- [Pt(en)2Cl2]2+, trans- [Cr(ox)2Cl2]3-

Ques. 9JEE Main 2024, 29 January (Morning Shift)

Match List I with List II Choose the correct answer from the options given below:

  1. A-IV, B-III, C-I, D-II
  2. A-II, B-IV, C-I, D-III
  3. A-III, B-II, C-IV, D-I
  4. A-II, B-III, C-IV, D-I
Ques. 10JEE Main 2024, 29 January (Morning Shift)

In which one of the following metal carbonyls, CO forms a bridge between metal atoms?

  1. [Os3(CO)12]
  2. [Ru3(CO)12]
  3. [Mn2(CO)10]
  4. [Co2(CO)8]
Ques. 11JEE 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)

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