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p- Block Elements — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryp- Block Elements2 Marks
Question
Answer the following :
(a) Sulphurous acid is a reducing agent.
(b) Fluorine forms only one oxoacid.
(c) Boiling point of noble gases increases from He to Rn.
✓

Answer

(a) Because sulphur readily gets oxidized itself to more stable +6 state.
(b) Because of absence of $d$-orbital in fluorine.
(c) From He to Rn, size increases and there is increase in Vandor Wall force.

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