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Chapter 20: Problem 6

Write short note on oxides and halides of technetium.

Short Answer

Expert verified
Technetium is a radioactive chemical element that forms several oxides like TcO2, Tc2O7, TcO5 which have different features. In terms of halides, Technetium forms monohalides, dihalides, tetrahalides, and others, each having their distinct properties like TcF6, a volatile red solid.

Step by step solution

01

Define Technetium

Technetium is a chemical element with the symbol Tc and atomic number 43. It is the lowest atomic number element without any stable isotopes; every form of it is radioactive. It is a transition metal, located in group 7 of the periodic table.
02

Describe Oxides of Technetium

Technetium forms a number of oxides. This includes Technetium dioxide (TcO2), Technetium trioxide (Tc2O7), and Technetium pentoxide (TcO5) among others. Each of these oxides have distinct features. For instance, TcO2 is a black solid and Tc2O7 is a strong oxidizing agent, which can explode on contact with organic materials.
03

Describe Halides of Technetium

Technetium forms several halides, including monohalides, dihalides, and tetrahalides. These different halides have different structures and characteristics. For example, Technetium hexafluoride (TcF6) is a volatile red solid with a high melting point.

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