Differences between metals and non-metals has to be explained by its two chemical and physical properties. Concept introduction: Metals: It is an element which has the following properties: solids at room temperature except mercury, hard in solid state, good conductors of both heat and electricity, ductility, high density, malleability, high melting and boiling point, tendency to form basic oxides by reacting with oxygen, tendency to form positive ion when they looses the electron and get shiny by polishing. Nonmetals: It is an element or substance but not metal, they have the following properties: they may exist as solid, liquid or gas at room temperature, easily breakable, bad conductors of both heat and electricity, melting and boiling points are low, when they react with oxygen they will form acidic oxides, tendency to form negative ions when they looses electron except hydrogen, which forms positive ion, compare to metals, nonmetals will look dull in nature.

Question

Manoharan Mariappan, FR.D., 34) Complete the following reaction starting from hex-1-yne proceeding via different substitution reactions forming 2-heptanone. (25 pts). A Sia₂BH H₂O₂ NaOH Br D Mechanism for reaction D - ether-cleavage: 10 B Ph-MgCI, THF H₁₂O+ D HBr (XS) C TsCl, Py CH3-CH2-CH2-ONa

Answer 1

Question

Chapter 25, Problem 25.2QP

Interpretation Introduction

Interpretation:

Differences between metals and non-metals has to be explained by its two chemical and physical properties.

Concept introduction:

Metals: It is an element which has the following properties: solids at room temperature except mercury, hard in solid state, good conductors of both heat and electricity, ductility, high density, malleability, high melting and boiling point, tendency to form basic oxides by reacting with oxygen, tendency to form positive ion when they looses the electron and get shiny by polishing.

Nonmetals: It is an element or substance but not metal, they have the following properties: they may exist as solid, liquid or gas at room temperature, easily breakable, bad conductors of both heat and electricity, melting and boiling points are low, when they react with oxygen they will form acidic oxides, tendency to form negative ions when they looses electron except hydrogen, which forms positive ion, compare to metals, nonmetals will look dull in nature.

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