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What are Strong Acids and their List? A total of seven acids are widely regarded as “strong” acids in the field of chemistry. The list of strong acids is provided below. Hydrochloric acid (denoted by the chemical formula HCl) Hydrobromic acid (denoted by the chemical formula HBr)
Strong Acids. Strong acids are acids that are completely or nearly 100% ionized in their solutions; Table \(\PageIndex{1}\) includes some common strong acids. Hence, the ionization in Equation \(\ref{gen ion}\) for a strong acid HA can be represented with a single arrow: \[\ce{HA(aq) + H2O(l) \rightarrow H3O^{+}(aq) + A^{-}(aq)} \label{gen ion}\]
Strong Acids. Strong acids dissociate completely into their ions in water, yielding one or more protons (hydrogen cations) per molecule. There are only seven common strong acids: HCl - Hydrochloric acid. HNO 3 - Nitric acid. H 2 SO 4 - Sulfuric acid (HSO4- is a weak acid) HBr - Hydrobromic acid. HI - Hydroiodic acid. HClO 4 - Perchloric acid.
There are 7 strong acids: chloric acid, hydrobromic acid, hydrochloric acid, hydroiodic acid, nitric acid, perchloric acid, and sulfuric acid. Being part of the list of strong acids doesn’t give any indication of how dangerous or damaging an acid is though.
Strong acids form very weak conjugate bases, and weak acids form stronger conjugate bases (Figure 13.1.3.2). The first six acids in Figure 13.1.3.2 are the most common strong acids. These acids are completely dissociated in aqueous solution. The conjugate bases of these acids are weaker bases than water.
Examples of Strong Acids. While there are many weak acids, there are few strong acids. The common strong acids include: HCl (hydrochloric acid) H 2 SO 4 (sulfuric acid) HNO 3 (nitric acid) HBr (hydrobromic acid) HClO 4 (perchloric acid) HI (hydroiodic acid) p-toluenesulfonic acid (an organic soluble strong acid)
The seven most common strong acids are hydrochloric acid, nitric acid, sulfuric acid, hydrobromic acid, hydroiodic acid, perchloric acid, and chloric acid. Most other acids people encounter are weak acids. A strong acid has a pKa value less than -2.
Definition. An acid that is completely dissociated in an aqueous solution and loses a proton, which is captured by water to produce hydronium ion [1]. HA (aq) → H + + A –. HA= protonated acid. H+ = free acidic proton. A- = conjugate base. HA (aq) + H 2 O → H 3 O +(aq) + A –(aq) Strong acid produces weak conjugate bases.
Hydrochloric acid, HCl. This is a list of the strong acids and strong bases. There aren’t very many, so it’s a good idea to memorize them, if you can. Table of Strong Acids. The strong acids ionize completely in water to yield or or more protons per acid molecule. * HSO 4– is a weak acid that contributes additional protons. Table of Strong Bases.
Example \(\PageIndex{1}\): Identifying Strong and Weak Acids and Bases. Identify each acid or base as strong or weak. HCl; Mg(OH) 2; C 5 H 5 N; Solution. Because HCl is listed in Table \(\PageIndex{1}\), it is a strong acid. Because Mg(OH) 2 is listed in Table \(\PageIndex{2}\), it is a weak base.