Which of the following reactions would you predict to have the largest orientati

Question

Which of the following reactions would you predict to have the largest orientation factor? A) H(g) + Cl(g) HCl(g) B) NOF(g) + NOF(g) 2NO(g) + F2(g) C) Br2(g) + H2C=CH2(g) H2BrC-CBrH2(g) D) NH3(g) + BCl3(g) H3N-BCl3(g)

Which of the following reactions would you predict to have the largest orientation factor? A) H(g) + Cl(g) HCl(g) B) NOF(g) + NOF(g) 2NO(g) + F2(g) C) Br2(g) + H2C=CH2(g) H2BrC-CBrH2(g) D) NH3(g) + BCl3(g) H3N-BCl3(g)

Which of the following reactions would you predict to have the largest orientation factor? A) H(g) + Cl(g) HCl(g) B) NOF(g) + NOF(g) 2NO(g) + F2(g) C) Br2(g) + H2C=CH2(g) H2BrC-CBrH2(g) D) NH3(g) + BCl3(g) H3N-BCl3(g) Which of the following reactions would you predict to have the largest orientation factor? A) H(g) + Cl(g) HCl(g) B) NOF(g) + NOF(g) 2NO(g) + F2(g) C) Br2(g) + H2C=CH2(g) H2BrC-CBrH2(g) D) NH3(g) + BCl3(g) H3N-BCl3(g)

Explanation / Answer

The correct answer is an option A, i.e.H(g) + Cl(g) HCl(g)

Explanation: The orientation factor represents the fraction of molecular collisions with the orientation that allows the reaction to occur.

In the case of option A gaseous hydrogen atoms loose electrons to form H+, gaseous chlorine atoms gain electrons to form Cl- ions. In this reaction the only one possibility is the collision between H+ ions and Cl- ions to generate HCl gas. This is how the orientation factor is the largest in this reaction.

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