NEETChemistryp Block Elements (Group 15, 16, 17 & 18)
Which solid burns in air to produce a gas that turns lime water milky, is also a by-product of roasting sulphide ore, and can decolourize acidified aqueous KMnO 4 solution while reducing Fe 3+ to Fe 2+ ?
Options
- ASolid "A" is sodium chloride and gas "B" is hydrogen.
- BSolid "A" is sulfur and gas "B" is sulfur dioxide.
- CSolid "A" is carbon and gas "B" is carbon dioxide.
- DSolid "A" is calcium carbonate and gas "B" is carbon monoxide.
Correct answer
B. Solid "A" is sulfur and gas "B" is sulfur dioxide.
Step-by-step solution
Correct Option is : (B) Solid "A" is sulfur and gas "B" is sulfur dioxide.