4th October 2019

chegg

10

Is ch3cooh a strong or weak acid?

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HCl is a strong acid, and CH3COOH is a weak acid. During a reaction with a strong base, the weak acid is forced to completely dissociate (there is no weak acid molecule left intact at the equivalence point). Since it completely dissociates, you might think the ∆Hrxn would be the same as the strong acid HCl.

Also know, is KCL an electrolyte?

Substances, which ionize in aqueous solution into positive and negative ions and conduct electricity are known as ELECTROLYTES . Electrolytes also conduct electricity in molten state. Example: NaCl , HCl , HNO₃, H₂SO₄, KCl , CuSO₄ , ZnSO₄ etc.

Is acetic acid an electrolyte or Nonelectrolyte?

Glacial acetic acid is the undiluted form of acetic acid. When it remains undiluted, it is a weak reducing agent. As far as the question goes, yes glacial acetic acid is non-electrolyte. This is because it is a poor covalent compound which only partly reacts to create ions in a solution.

What is an example of a Nonelectrolyte?

Weak acids and weak bases are weak electrolytes. A nonelectrolyte does not dissociate at all in solution and therefore does not produce any ions. Nonelectrolytes are typically polar covalent substances that do dissolve in water as molecules instead of ions. Sugar (C12H22O11) is a good example of a nonelectrolyte.

1

Is h2so4 strong or weak?

You MUST know these. If you see any other acid or base than one of these strong ones it will be a weak acid or base (unless I specifically say otherwise in the problem). The 7 common strong acids are: HCl, HBr, HI, HNO3, HClO3, HClO4 and H2SO4 (1st proton only).

2

Is an acetic acid strong or weak?

Acetic acid (CH3COOH) is a carboxylic acid (RCOOH), and the majority of the carboxylic acids are weak acids, including acetic acid. On the other hand, 0.9 million molecules of stronger acids like HCL and H2SO4 can dissociate in a million molecules of water at room temperature.

3

Is LIOH a strong or weak acid?

Hydroxides of all alkali metals are strong base but LiOH is least basic because the dissociation of LiOH is minimum in water.As LiOH is having maxmium covalent character because of Fajans' Rule. LiOH is a weak base because it is more covalent due to small size.

4

Is ch3coo an acid or a base?

Acetic acid (CH3COOH) is a weak acid. In water it loses its acidic hydrogen to the water molecule as H+ ion. The acetate ion (CH3COO-) thus formed is the conjugate base of acetic acid. Since it is a strong base, the above equilibrium is overwhelmingly shifted to the left.

5

Is sodium hydroxide a weak acid?

Strong bases. A strong base is something like sodium hydroxide or potassium hydroxide which is fully ionic. You can think of the compound as being 100% split up into metal ions and hydroxide ions in solution. Each mole of sodium hydroxide dissolves to give a mole of hydroxide ions in solution.

6

Is h2po4 an acid?

A: H2PO4- is called dihydrogen phosphate ion. It is the conjugate base of Phosphoric Acid H3PO4 and the conjugate acid of monohydrogen phosphate ion HPO42-.

7

Is nh3 a base or an acid?

Ammonia is considered as a base because Nitrogen atom in it contains lone pair of electrons hence it can donate electrons to other atoms therefore it can be considered as base. Due to the presence of a lone pair on NH3. It abstracts a proton or H+ ion released by an acid.

8

Is ammonia a strong or weak acid?

Both ammonia is a weak base and ammonium ion is a weak acid. Many, even most, acid/base conjugate pairs are like that. We should be using comparative instead of absolute adjectives in the rule about conjugate acid-base strengths: A weaker acid has a stronger conjugate base, not necessarily a totally strong one.

9

Is carbonic acid strong or weak acid?

Unlike strong acids, when weak acids, such as carbonic acid, are added to water it does not completely dissociate. Carbonic acid is formed when we bubble carbon dioxide through water. Remember that pH measures of the free hydrogen ion in solution.

10

Is citric acid a strong acid?

Most organic acids are weak acids. Examples include citric acid, acetic acid, ascorbic acid, malic acid, tartaric acid. This is important as weak acids can act as buffers absorbing hydrogen ions without change the pH. Even citrus fruits contain others acids, not just citric acid.

11

Is acetate strong or weak base?

For example, sodium acetate, NaCH₃CO₂, is a salt formed by the reaction of the weak acid acetic acid with the strong base sodium hydroxide: A solution of this salt contains sodium ions and acetate ions. The sodium ion, as the conjugate acid of a strong base, has no effect on the acidity of the solution.

12

Is phosphoric acid strong or weak?

While phosphoric acid is quite acidic, it is evident that it is, indeed, a weak acid because of the lack of full dissociation in water; a 1 M solution of strong acid would be around 0 (0 for monoprotic species, possibly less for diprotic due to an additional hydrogen ion).

13

Is ch3cook an acid or base?

pH of weak base weak acid may be acidic may be basic depending upon the relative strength of base and acid. Now coming to your question, Al(CN)3 is salt of weak base weak acid, whereas CH3COOK is salt of strong baseweak acid. Hence CH3COOK solution would be more basic in nature.

14

Is nh4oh an acid or a base?

Salt of weak acid and strong base: CH3COONa is a salt of weak acid CH3COOH and strong base NaOH. When it is dissolved in water it dissociates completely. ions of water get trapped and the pH of solution increases. Salt of weak acid and weak base: CH3COONH4 is a salt of weak acid CH3COOH and weak base NH4OH.

15

Is hypochlorous acid a strong acid?

For compounds with pKa's between 0 and 14, such as hypochlorous acid with an intermediate pKa, both the acid and the conjugate base are weak. We call them "weak" acids because they don't completely dissociate in water. However, their conjugate bases are also "weak" because they're weaker than hydroxide.

16

Is sodium acetate a strong acid or base?

Sodium acetate is neither an acid nor a base it is a salt of weak acid and strong base. But it under undergo Hydrolysis to give a basic solution. Sodium acetate is the conjugate base of acetic acid.

17

Is nach3coo an acid or a base?

Acidic, Basic, and Neutral Salts. The salt, or its solution, so formed can be acidic, neutral or basic. A salt formed between a strong acid and a weak base is an acid salt, for example NH₄Cl. A salt formed between a weak acid and a strong base is a basic salt, for example NaCH₃COO.

18

Is nacl a strong or weak acid?

When a strong acid and a strong base react together the resultant is salt and water.Therefore NaCl is a salt. NaCl is formed by the reaction of HCl and NaOH. Both are strong acids and bases.

19

Is HCN a weak acid?

HCN, also known as hydrocyanic acid or prussic acid, is a weak acid. According to this source, the of HCN is 6.2 × 10 − 10 , which is really tiny. Memorize the short list of acids that are typically thought of as strong. This includes HCl, HBr, HI, HNO3, HClO3, HClO4, and H2SO4.

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