The conditions necessary for the extraction of a water molecule from two molecules of ethanol are?
A. less acid and lower temperature B. excess acid and a lower temperature C. excess acid and a higher temperature D. less acid and a higher temperature Correct Answer: Option C – excess acid and a higher temperature
Unsaturated organic compounds are identified by decolourization of?
A. silver bromine and potassium tetraoxomanganate (VII) solutions B. bromine water and acidified potassium tetraoxomanganate (VII) solution C. silver bromide solution and bromine water D. bromine water and alkaline potassium tetraoxomanganate (VII) solution Correct...
The repeating unit in natural rubber is?
A. alkyne B. isoprene C. n-propene D. peoprene Correct Answer: Option B – isoprene
The least easily oxidized of the metals below is?
A. Ca B. Na C. Zn D. Al Correct Answer: Option D – AlProducts
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