In HCHO, number of lone pairs, – bond pairs, π – bond pairs respectively is

1

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1.
In HCHO, number of lone pairs, – bond pairs, π – bond pairs respectively is

1. 2, 3, 12. 2, 2, 13. 1, 2, 34. 2, 1, 3

In HCHO, number of lone pairs, – bond pairs, π – bond pairs respectively is