Question

$AlCl_{3}$ form a dimer as

What is the correct relationship between $x, \, y$ and $z$ bond lengths?

• A. $x>y>z$
• B. $y>z>x$
• C. $z=y>x$
• D. $z=y=x$

Answer 1

Answer: (C)

Bridge bonds are weaker than terminal bonds hence they have larger bond length than terminal bond length.