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Why is neutralization a double replacement reaction?

Answer 1

Noah Aldrich

Neutralization reactions occur between acids and bases producing a salt and water as products.

Here is an example:
HCl + NaOH -> HOH + NaCl

HCl = hydrochloric acid
NaH = sodium hydroxide (a base)
NaCl = table salt
HOH = water

Note that we think of water as an ionic compound in this reaction - that is key to identifying this reaction as a double replacement reaction!
Here is a video which provides additional discussion of this topic.

Video from: Noel Pauller

Hope this helps!

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Answer 2

Peyton Adams

Due to the fact that ions move back and forth between bases and acids to form salt and water, neutralization is a double replacement reaction.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.