Is NaCl a strong or weak base or acid?
Compare HCl, NaOH, and NaCl: HCl is a stronger acid than water. NaCl is a weaker base than NaOH. Strong acids react with strong bases to form weaker acids and bases. NH3 is a weak base, but its conjugate acid, NH4Cl, is a strong acid.
Thus, salts consisting of these ions are neutral salts. For example: NaCl, KNO3, CaBr2, CsClO4 are neutral salts. When weak acids and bases react, the relative strength of the conjugated acid-base pair in the salt determines the pH of its solutions. The salt, or its solution, so formed can be acidic, neutral or basic.
Strong Acids Strong Bases HCl (hydrochloric acid) HNO3 (nitric acid) HClO4 (perchloric acid) H2SO4 (sulfuric acid) NaOH (sodium hydroxide) KOH (potassium hydroxide) Ca(OH)2 (calcium hydroxide)
- The pH of a 0.1 M solution of NaCN has a pH = 11.1. How can this solution be basic? Notice what happens here, the cyanide ion accepts a proton from water to form its conjugate acid, HCN, and hydroxide, the strongest base that exists in water. It is this prescence of hydroxide that makes the salt solution basic.
- Sodium chloride does not act as either an acid or a base. A solution of it is neutral (pH = 7). The sodium ion is not capable of attracting hydroxide ions out of water (which would create an acidic solution), nor is the chloride ion capable of attracting hydrogen ions out of water (which would create a basic solution).
Sodium chloride, which is obtained by neutralization of hydrochloric acid and sodium hydroxide, is a neutral salt. Neutralization of any strong acid with a strong base always gives a neutral salt. In general, however, salts may be acidic, basic or neutral. Let's investigate the pH of salts dissolved in water.
- Explain why chlorine (Cl2) is a gas at room temperature, but sodium chloride (NaCl) is a solid at room temperature. The melting/boiling point of a substance determines what state of matter it takes at a certain temperature. In Cl2 there are covalent bonds between the atoms forming simple molecules.
- Common salt is sodium chloride, NaCl. It can be made in a laboratory by the reaction of sodium with chlorine. However, it is found naturally in large amounts in sea water or in underground deposits. It is often obtained either by evaporating sea water or by mining underground deposits.
- Question: Trimethylamine, (CH3)3N, is a weak base that ionizes in aqueous solution: (CH3)3N(aq) + H2O(l) (C A 0.120 M solution of (CH3)3N(aq) is 2.29% ionized at 25OC.
Na and Cl can ionize, and produce Na+ and Cl- ions in water… which is the hallmark of salt behavior. But it is not an acid or a base. Some salts can be acidic or basic but NaCl is neither. In case of ph nacl has neutral ph due to neutralization of strong acid hcl and strong alkali naoh.
- Salts that are from strong bases and strong acids do not hydrolyze. The pH will remain neutral at 7. Halides and alkaline metals dissociate and do not affect the H+ as the cation does not alter the H+ and the anion does not attract the H+ from water. This is why NaCl is a neutral salt.
- When we say "The Original Himalayan Crystal Salt balances pH", we mean that whether your body is too acid or too alkaline, the salt will help to bring it to normal pH. Because the salt helps remove acidic toxins from the body, the result is that the body will become more normal, slightly alkaline.
- Because all of the hydrogen chloride forms separate ions, hydrochloric acid is a strong acid. A weak acid does not form many ions in solution. Acetic acid (HC2H3O2) is the acid in vinegar.
Updated: 2nd October 2019