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What is the name of this acid $NaClO$?

Answer
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Hint: As we can see the acid is made up of three ions sodium ion, chloride ion and the oxygen ion and this is acid is also known as liquid bleach and appears as a pale yellow greenish dilute solution

Complete Step by step answer:
As we can see the acid is made up of three ions sodium ion, chloride ion and the oxygen ion and this is acid is also known as liquid bleach and appears as a pale yellow greenish dilute solution. It is basically a chemical compound containing sodium cation $(N{a^ + })$ and hypochlorite anion $(Cl{O^ - })$ which itself is made from chloride and oxygen ions. Thus the name of this acid is Sodium hypochlorite. We can also say that it is a sodium salt of hypochlorous acid. Sodium hypochlorite can be prepared by chlorination of soda which can be shown as:
$C{l_2}\;(g) + 2NaOH\;(aq) \to NaCl\;(aq) + NaClO\;(aq) + {H_2}O\;(aq)$
Chlorine gives a disproportionation reaction here by getting reduced as well as oxidised.
$NaClO$ can also be prepared from calcium hypochlorite which is obtained by the reaction of sodium carbonate and chlorinated lime. The reaction can be depicted as:
$N{a_2}C{O_3} + Ca(OCl) \to CaC{O_3} + 2NaClO$
We can also prepare this acid using hypochlorous acid and soda and can be shown as:
$HClO + NaOH \to NaClO + {H_2}O$
And for research purpose, it can be easily obtained by ozone reaction with sodium chloride as shown:
$NaCl + {O_3} \to NaClO + {O_2}$

Hence the correct answer is Sodium hypochlorite.

Note: sodium hypochlorite is used as a solution in household bleach and it also possess destaining properties thus can also be used in removal of mold stains, dental stains that are caused by fluorosis along with the stains on utensils. It is also used in detergents and surface cleaner. Sodium hypochlorite is also used as a disinfectant and exhibits broad spectrum antimicrobial activity.