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JEE Main · 2022 · 29 Jul 2022 · Shift 2 · Chemistry in Everyday Life

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The number of chlorine atoms in bithionol is ____.

Answer: 4

Solution

Bithionol (also spelled bithionol) is a halogenated phenolic compound used as an antiseptic. Its IUPAC name is 2,2'-thiobis(4,6-dichlorophenol).

The structure shows two phenol rings connected by a sulfur bridge, with each ring bearing two chlorine substituents (at positions 4 and 6 relative to the OH group).

Total chlorine atoms = 2 (on first ring) + 2 (on second ring) = 4.

JEE Main · 2022 · 29 Jul 2022 · Shift 2 · Integer answer

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