In the following reaction sequence, the compound J is an intermediate.

J(C₉H₈O₂) gives effervescence on treatment with NaHCO₃ and a positive Baeyer's test.

In the following reaction sequence, the compound J is an intermediate.

J(C₉H₈O₂) gives effervescence on treatment with NaHCO₃ and a positive Baeyer's test.

The compound K is

Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry.

Bleaching powder contains a salt of an oxoacid as one of its components. The anhydride of that oxoacid is

Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry.

25 mL of household bleach solution was mixed with 30 mL of 0.50 M KI and 10 mL of 4 N acetic acid. In the titration of the liberated iodine, 48 mL of 0.25 N Na₂S₂O₃ was used to reach the end point. The molarity of the household bleach solution is