JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

How many of the following help in enhancing non-wettability of the ore particles by water in froth floatation process to concentrate ores?

Pine oil, eucalyptus oil, cresols, fatty acids, aniline, xanthates, sodium cyanide

Answer: 4

Solution

Collectors — pine oil, cresols, fatty acids and xanthates — coat the sulphide ore particles and make them hydrophobic, enhancing their non-wettability by water, giving 4. Eucalyptus oil primarily acts as a frother (stabilising

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Question ID VK-145584