MCQ
Formic acid and acetic acid can be distinguished by
- ✓Tollen's reagent
- B$NaHCO_3$
- CLitmus test
- D$Na$

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End product $(D)$ in the given sequence is
Reason : $Six F$ atoms in $SF_6$ prevent the attack of $H_2O$ on sulphur atom of $SF_6$.