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Q. 7

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 624

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Short Answer

A chemical reaction takes place among 3 molecular ions that have each lost 2 electrons, 2 molecular ions that have each gained 3 electrons, and 1 molecular ion that has gained 2 electrons. The products of the reaction are two neutral molecules and multiple molecular ions that each have a charge of magnitude e. How many molecular ions are produced, and are they charged positively or negatively?

molecular ions are produced where are neutral and negatively charged.

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Step by Step Solution

Step 1: Content Introduction

An ion is generated when one or more electrons are removed from (positive ions) or added to (negative ions) a molecule without fragmenting the molecular structure.

Step 2: Content Explanation

We are given,

molecular ions out of which are lost that means ions becomes positively charge after its losing ions. Therefore, the total charge of ions is:

Another part says that we have ions which have gained electrons. This means ions becomes negatively charged. Therefore, the total charge of ions is now:

Also, we have molecule that have gained electrons, so the charge will be

Therefore, the total charge is

The multiple molecular ions are because each one of them has a charge of magnitude e

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