Q61.The total number of 5-digit numbers, formed by using the digits 1, 2, 3, 5, 6, 7 without repetition, which are multiple of 6, is (1) 72 (2) 48 (3) 24 (4) 60
What This Question Tests
This question tests the understanding of synergic bonding (pi-backbonding) in metal carbonyls, requiring identification of complexes containing CO ligands.
Concepts Tested
๐ NCERT Sections This Tests
5.15 โ Discuss The Nature Of Bonding In The Following Coordination Entities On The
Chemistry Class 11 ยท Chapter 5
5.15 Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory: (i) [Fe(CN)6] 4โ (ii) [FeF6] 3โ (iii) [Co(C2O4)3]3โ (iv) [CoF6] 3โ
5.12 โ Write All The Geometrical Isomers Of [Pt(Nh3)(Br)(Cl)(Py)] And How Many Of
Chemistry Class 11 ยท Chapter 5
5.12 Write all the geometrical isomers of [Pt(NH3)(Br)(Cl)(py)] and how many of these will exhibit optical isomers?
5.28 โ How Many Ions Are Produced From The Complex Co(Nh3)6Cl2 In Solution?
Chemistry Class 11 ยท Chapter 5
5.28 How many ions are produced from the complex Co(NH3)6Cl2 in solution? (i) 6 (ii) 4 (iii) 3 (iv) 2 139 Coordination Compounds Reprint 2025-26
๐ Question Details
- Chapter
- Coordination Compounds
- Topic
- Synergic bonding
- Year
- 2022
- Shift
- 28 Jun Shift 1
- Q Number
- Q61
- Type
- Numerical
- NCERT Ref
- Class 12 Chemistry Ch 9: Coordination Compounds
More from this Chapter
Q63.The "spin-only" magnetic moment [in units of Bohr magneton, (ฮผB)] of Ni2+ in aqueous solution would be (Atomic number of Ni = 28 ) (1) 2.84 (2) 4.90 (3) 0 (4) 1.73
Q96.The IUPAC name for the complex [Co (NO2)(NH3)5]Cl2 is JEE Main 2006 JEE Main Previous Year Paper (1) nitrito-N-pentaamminecobalt (III) chloride (2) nitrito-N-pentaamminecobalt (II) chloride (3) pentaammine nitrito- N -cobalt (II) chloride (4) pentaammine nitrito- N -cobalt (III) chloride
Q97.Nickel (Z = 28) combines with a uninegative monodentate ligand Xโ to form a paramagnetic complex [NiX4]2โ . The number of unpaired electron(s) in the nickel and geometry of this complex ion are, respectively (1) one, tetrahedral (2) two, tetrahedral (3) one, square planar (4) two, square planar
Q98.In Fe(CO)5 , the Fe โC bond possesses (1) ฯ-character only (2) both ฯ and ฯ characters (3) ionic character (4) ฯ-character only