The gas given off when NH4Cl is heated with an alkali is

Assessment: WAEC SSCE - Chemistry - 2001 (Objective) Subject: Chemistry

Question 1 Report

The gas given off when NH4Cl is heated with an alkali is
Answer Details
When NH4Cl is heated with an alkali, it undergoes a chemical reaction known as the Hofmann's degradation reaction, which produces ammonia gas (NH3). The reaction is represented as: NH4Cl + NaOH → NaCl + H2O + NH3 Therefore, the correct answer is NH3.
Read lesson note on Kinetic Theory Of Matter And Gas Laws (JAMB)
Read lesson note on Structure Of The Atom (WAEC)
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