JEE Main Chemistry question
How many of the following statements are CORRECT? 1. is produced by the action of hydrochloric acid on . 2. is hybridized. 3. has two bonds. 4. and are isostructural.
Answer: 3
Solution
(1) Na_2SO_3 + 2HCl \rightarrow 2NaCl + H_2O + SO_2 is a standard, correct reaction — CORRECT. (2) has 2 bond pairs and 1 lone pair on S (3 electron domains), giving hybridisation — CORRECT. (3) The two S=O bonds each contribute one pi
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