Which of the following orders are correct?

CHEMISTRY · Multi correct · CBSE · Chemistry · Classification of Elements and Periodicity in Properties · Classification of Elements and Periodicity in Properties

Problem

Which of the following orders are correct? (1) N2>F2>O2\mathrm{N}_2>\mathrm{F}_2>\mathrm{O}_2: ionisation energy (2) H2Te>H2Se>H2S>H2O\mathrm{H}_2\mathrm{Te}>\mathrm{H}_2\mathrm{Se}>\mathrm{H}_2\mathrm{S}>\mathrm{H}_2\mathrm{O}: reducing nature (3) H2O>H2Te>H2Se>H2S\mathrm{H}_2\mathrm{O}>\mathrm{H}_2\mathrm{Te}>\mathrm{H}_2\mathrm{Se}>\mathrm{H}_2\mathrm{S}: boiling point (4) HClO4>HClO3>HClO2>HClO\mathrm{HClO}_4>\mathrm{HClO}_3>\mathrm{HClO}_2>\mathrm{HClO}: oxidising nature

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