QuestionReportChemistry Question on Group 17 ElementsAnhydride of HClO4HClO_4HClO4 isACl2O6Cl_2O_6Cl2O6BCl2O7Cl_2O_7Cl2O7CCl2OCl_2OCl2ODClO2ClO_2ClO2AnswerCl2O7Cl_2O_7Cl2O7ExplanationSolutionAnswer (b) Cl2O7Cl_2O_7Cl2O7