What is the correct name for K2O? - ProProfs Discuss
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What is the correct name for K2O?



A. Potassium(II) oxide
B. Potassium hydroxide
C. Potassium dioxide
D. Potassium oxide
E. None of these

This question is part of CHEM Exam Review
Asked by Marshall_Bailey, Last updated: Apr 17, 2019

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2 Answers

C. Block

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C. BlockEnglish Professor, M.A, Ph.D, Buffalo
English Professor, M.A, Ph.D, Buffalo

Answered on Mar 28, 2019

The correct answer to this question is D, potassium oxide. This is the correct name because Potassium (the K) is a metal with one valence electron while Oxygen (the O) is a nonmetal with two valence electrons. Thus, K2O is the ionic compound that is composed of oxygen and potassium.

K2O is a pale yellow solid, is a very rarely encountered, is a immensely reactive compound, and is the simplest oxide of potassium. Even combining K2O with water cause a violent reaction. Sometimes fertilizers and cement include the K2O compound, which is often criticized as it is considered to be unsafe and harmful.

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Marshall_Bailey

Marshall_Bailey

Answered on Mar 08, 2018

Potassium oxide
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