Which halide reacts fastest with AgNO₃ in ethanol?
AgNO₃ in ethanol tests SN₁ reactivity. (CH₃)3CBr (tertiary) forms a stable carbocation, reacting fastest.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Nucleophilic Substitution Reactions - SN1 and SN2 Mechanisms