NH3(g) + HCl(s) → NH4Cl(s). The entropy change in the system is? by Sunday | Oct 12 | Chemistry JAMB | 0 comments A. positive B. zero C. negative D. indeterminate Correct Answer: Option C – negative Users Also Read These:In which of the following is the entropy change positive?Consider the reaction represented by the following…NH4- is formed from NH3 and H- by?The gas given off when NH4Cl is heated with an alkali is?The gas given off when NH4Cl is heated with an alkali is?