Take about 2g of barium hydroxide in a test tube. Add 1g of ammonium chloride and mix with the help of a glass rod. Touch the bottom of the test tube with your palm. What do you feel? Is this an exothermic or endothermic reaction?
Answers
Answer: It is an endothermic reaction.
Explanation:
When barium hydroxide is added to ammonium hydroxide then it results in the formation of barium chloride and ammonium hydroxide.
The chemical reaction equation is as follows.
This reaction is endothermic in nature because when barium hydroxide is added in ammonium chloride then they absorb heat.
Answer:
When we mix 2g of barium hydroxide to 1g of ammonium chloride, the bottom of the test tube becomes cold due to the absorption of heat from the environment. And we know that if a reaction is absorbing heat, then it is called as Endothermic Reaction.
I uploaded a photo to show the above reaction.
From the image, we can also say that it is a DOUBLE DISPLACEMENT REACTION.
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Ba(OH)2 +2NH4Cl → BaCl2 +2NH4OH
This reaction is called double displacement reaction.