Select the correct statement(s).

CHEMISTRY · Multi correct

Problem

Select the correct statement(s). (1) In AsH3\text{AsH}_3, the lone pair on the central atom is present in an almost pure ss-orbital. (2) The number of pπ−dπp\pi-d\pi bonds in SO3\text{SO}_3 and SO2\text{SO}_2 is the same. (3) NF3\text{NF}_3 is a better Lewis base than NCl3\text{NCl}_3. (4) The stable oxidation state of lead is +2+2.

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