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1.2

Minor Versionm

by Vishal Bhatt

Introduction

Mix given quantities of ammonium chloride and Barium hydroxide and stir it well. Smell the gas produced by this reaction.

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Video Overview

    • Ammonia is irritating and corrosive. Exposure to high concentrations of ammonia in air causes immediate burning of the nose, throat and respiratory tract.

    • Do not ingest either of the materials.

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  1. A small quantity of Ba(OH)2 (about 3.2 g) is given in a container.
    • A small quantity of Ba(OH)2 (about 3.2 g) is given in a container.

    • Open the container and gently add the given ammonium chloride crystals (about 1 g) to it.

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    • Immediately close the container using your thumb and shake the container a little for the two compounds to react.

    • Open the container, gently bring it closer to your nose and keep smelling till you get a characteristic pungent smell.

    • This is the colourless gas with a strong unpleasant odour, ammonia. Do not bring too close to your nose.

    • Exposure to very high concentrations of gaseous ammonia can result in lung damage and death.

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    • Give enough time for the reaction to occur.

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    • What do you think is the chemical reaction? Write it down as an equation or in words.

    • What are the other by-products of this reaction besides ammonia?

    • Is the reaction exothermic or endothermic, i.e. does the container heat up or cool down after mixing the two chemicals?

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Vishal Bhatt

Member since: 04/26/2017

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50 Guides authored

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