Which of the following compounds has similar odour as that of `H_(2)O_(2)` -

Which of the following compounds has an offensive odour ?

Which of the following compounds has an offensive odour ?

Which of the following compounds turn white on treatment with H_(2)O_(2)

Which of the following compound are more acidic than H_(2)O ?

Which of the following compounds is formed when a mixture of K_(2)Cr_(2) O_(7) and KCl is heated with conc. H_(2)SO_(4) ?

Which of the following set of compounds have peroxide bonds ? 1. O_(2)F_(2) " " 2. H_(2)O_(2) " " 3. H_(2)S_(2)O_(8) " " 4. CrO_(5)