1.

[Y is used infire works, safety matches] 'Y' is

Answer»

`KClO_(3)`
`KBrO_(3)`
`NaIO_(3)`
`NaClO_(3)`

Solution :`UNDERSET("(X)")(3Cl_(2)) + 6KOH overset("HOT")(rarr) 5KCl+ underset("(Y)")(KClO_(3)) + 3H_(2)O, KClO_(3) overset("(Y)")(+ )con.HCl rarr`


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