MDCAT Chemistry MCQ #629

MDCAT Chemistry MCQ #629

1. Question 1

   Q1. When aqueous silver nitrate is added to a solution of ethyl iodide after boiling with KOH, what specific observation is made?

   • A) A white precipitate that dissolves in dilute ammonia.
   • B) A pale yellow precipitate that is partially soluble in ammonia.
   • C) A greenish-blue precipitate that is insoluble in ammonia.
   • D) A bright yellow precipitate that is insoluble in ammonia.

   Answer: A bright yellow precipitate that is insoluble in ammonia.

   Explanation: AgCl is white, AgBr is pale yellow, and AgI is bright yellow; these colors distinguish the specific halogen present in the halide.