Question 17

Consider the following equation: Ag⁺ _(aq) + CI-_(aq) → Ag⁺CI- _(s) ; ∆H = _65.7 kJmol^-1. From the equation, it can be deduced that

A.direct combination is involved and the reaction is endothermic
B.a solid is formed and heat is evolved
C.activation energy is high and a catalyst is required
D.the reaction is endothermic and occurs at high temperature

Objective

Question details

Exam body: WAEC
Subject: Chemistry
Year: 2001
Question no.: #17
Type: Objective

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