The complex which is diamagnetic is to be determined from the given option. Concept introduction: The transition metal atoms have tendency to form complex compounds that are linked to the certain neutral or ionic species which leads to the formation of coordination compounds. There exists a large number of coordination compounds that have a large number of applications in the chemical industry as well as in daily life. The properties of the coordination compounds depend upon the primary and secondary valancy of the metal ion in the coordination sphere. The electrical conductivity depends upon the number of ions that are produced by complex. The strong-field ligands results in pairing of electrons present in the complex and leads to diamagnetic species , while the low-field ligand do not have tendency to pair up the electrons therefore forms paramagnetic species. The strong field ligands lead to splitting to a higher extent than the weak field ligands and the wavelength of light absorbed depends on the energy gap that is produced by a particular ligand. The five d orbitals get divided into two sets that is d xy , d yz and d xz orbitals forms one set and d x 2 -y 2 and d z 2 forms another set. The first set are oriented between the x, y and z axes whereas the second set gets oriented along the axis. Electronic configuration: It is defined as the distribution of electrons present in the atom over orbitals following certain rules like electrons starts filling the lower energy orbital to higher energy, pairing of electrons does not occur until all the orbitals are singly filled and finally no electrons present in orbital can have same set of quantum numbers. Oxidation number: The total number of electrons in an atom after losing or gaining electrons to make a bond with another atom. It indicates the charge of an ion.

Question

Q1: Predict the major organic product(s) of the following reactions. Include stereochemistry when necessary. Write NR if no reaction, try to explain. 1.) LDA, THF 2.) СОН CI OH H2SO4, heat OH m...... OH 1.) PCC, CH2Cl2 2.) CH3CH2MgBr, THF 3.) H3O+ 4.) TsCl, pyr 5.) tBuOK, tBuOH 1.) SOCI 2, CHCI 3 2.) CH3CH2ONA, DMF OH 1.) HBr 2.) Mg, THF 3.) H₂CO, THE 4.) H3O+ OH NaH, THF

Answer 1

Question

Chapter 22.5, Problem 2RC

Interpretation Introduction

Interpretation: The complex which is diamagnetic is to be determined from the given option.

Concept introduction: The transition metal atoms have tendency to form complex compounds that are linked to the certain neutral or ionic species which leads to the formation of coordination compounds. There exists a large number of coordination compounds that have a large number of applications in the chemical industry as well as in daily life.

The properties of the coordination compounds depend upon the primary and secondary valancy of the metal ion in the coordination sphere. The electrical conductivity depends upon the number of ions that are produced by complex.

The strong-field ligands results in pairing of electrons present in the complex and leads to diamagnetic species , while the low-field ligand do not have tendency to pair up the electrons therefore forms paramagnetic species.

The strong field ligands lead to splitting to a higher extent than the weak field ligands and the wavelength of light absorbed depends on the energy gap that is produced by a particular ligand.

The five d orbitals get divided into two sets that is dxy, dyz and dxz orbitals forms one set and dx2-y2and dz2 forms another set. The first set are oriented between the x, y and z axes whereas the second set gets oriented along the axis.

Electronic configuration: It is defined as the distribution of electrons present in the atom over orbitals following certain rules like electrons starts filling the lower energy orbital to higher energy, pairing of electrons does not occur until all the orbitals are singly filled and finally no electrons present in orbital can have same set of quantum numbers.

Oxidation number: The total number of electrons in an atom after losing or gaining electrons to make a bond with another atom. It indicates the charge of an ion.

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Q1: Predict the major organic product(s) of the following reactions. Include stereochemistry when necessary. Write NR if no reaction, try to explain. 1.) LDA, THF 2.) СОН CI OH H2SO4, heat OH m...... OH 1.) PCC, CH2Cl2 2.) CH3CH2MgBr, THF 3.) H3O+ 4.) TsCl, pyr 5.) tBuOK, tBuOH 1.) SOCI 2, CHCI 3 2.) CH3CH2ONA, DMF OH 1.) HBr 2.) Mg, THF 3.) H₂CO, THE 4.) H3O+ OH NaH, THF

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