Chemistry, 21.01.2020 17:31 lilquongohard

Which of the following is not a property of an acid?
a. sour taste
b. gives off h+ ions
c. slippery feeling
d. react with metals

Answers: 1

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Answer from: Cooldude497

c. Slippery feeling is not a property of an acid

Further explanation

The solution can be divided into three groups namely acid, base and neutral.

This property can be identified by using acid-base indicators such as litmus or universal indicators, or it can be with a pH meter

There are some opinions from experts about acid base

1. According to Arrhenius

An acid is a compound that in water releases H + ions

Example

CH₃COOH (aq) ---> H⁺ (aq) + CH₃COO⁻ (aq)

The number of H⁺ions produced by 1 acid molecule is called valence acid, whereas ions formed after releasing H⁺ ions are called acidic residual ions

Based on the amount of H⁺ ions released, acids can be classified into

1. Monoprotic acid is an acid which releases one H⁺ ion in solution.

Example: HCN, HI, HCl, HBr

2. Diprotic acid is an acid which releases two H⁺ ions in solution

Example: H₂C₂O₄, H₂SO₄, H₂CO₃

3. Triprotic acid is an acid that releases three H⁺ ions in solution

Example: H₃PO₄

2. According to Bronstead-Lowry

Acid = donor (donor) proton (H⁺ ion)

Base = proton (receiver) acceptor (H⁺ ion)

NH₄⁺ (aq) + H₂O (l) ⇄ NH₃ (aq) + H₃O⁺ (aq)

From this theory, it is known as the conjugate acid base pair

The conjugate base is an acid which has given a proton

Conjugate acids are bases that have received protons

Acid ⇄ conjugate base + H +

Bases + H + ⇄ conjugate acids

3. According to Lewis

Acid: accepts an electron pair (acceptor)

Bases: give electron pairs (donors)

Acid Properties:

pH <7

the taste is sour

Corrosive

Make blue litmus paper turn red

Neutralize the base solution (neutralization reaction)

Reacts with bases to produce salt and water

HCl + NaOH -> NaCl + H₂O

Reacts with metals to produce hydrogen gas

2HCl + 2Na ---> 2NaCl + H₂

So in addition to choice C which is a property of bases, choices A, B and D are properties of acid

Learn more

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Identify the acids and the bases

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Keywords : a property of an acid, base

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Answer from: Quest

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Which of the following is not a property of an acid?
a. sour taste
b. gives off h+ io...

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