Position Of Hydrogen In The Periodic Table

In the coordination complex , the central metal Chromium (Cr ) has an octahedral geometry, which requires hybridization. This means two d-orbitals, one s-orbital, and three p-orbitals combine to form six equivalent hybrid orbitals.

In , titanium has an oxidation state of +3, which means it has 3 electrons in the 3d orbital. The electron configuration follows the crystal field splitting of the -orbitals into two sets: and .
The electron transition observed in the octahedral field corresponds to .

The spectrochemical series arranges ligands based on their ability to split the -orbitals in transition metal complexes.
The increasing order of field strength (weak field to strong field ligands) is: Iodide ( ) is a weak field ligand, while carbon monoxide (CO) is a strong field ligand.

EDTA (Ethylenediaminetetraacetic acid) is a chelating agent that binds to lead ions in the body, forming a stable complex. This allows the lead to be excreted through urine, reducing lead toxicity and making it an effective treatment for lead poisoning.

In , cobalt is in the +3 oxidation state, which corresponds to a electron configuration. Since fluoride is a weak field ligand, it does not induce strong electron pairing. The electrons remain unpaired, leading to a total of four unpaired electrons.

The reaction of a tertiary alkyl halide with alcoholic KOH leads to elimination (E2 mechanism), forming an alkene (Y). The addition of HBr in the presence of peroxides follows the anti-Markovnikov rule, leading to (Z). For C H Br, the correct intermediate (Y) is 2-methyl-1-propene, which reacts with HBr (in peroxides) to form 1-bromo-2-methylpropane (Z).