Question Detail

CHM 102 Qualitative and Quantitative Analysis in Organic Chemistry Objective Question

Question

Which test is used to detect the presence of an alcohol functional group using sodium metal?
Options
A Tollen's test
B Sodium metal test (effervescence of H₂ gas)
Correct Answer
C Fehling's test
D Iodoform test
Correct Answer

Option B is the correct answer.

Detailed Explanation

Alcohols react with sodium metal to release hydrogen gas (effervescence), indicating the presence of a free -OH group.

Hint

Bubbles of hydrogen gas.

Question Info