Hard SAT2 Chem problems.

[bestswimmer]

<p>Which molecule has larger dipole moment?
NCl<em>3 or CBr</em>3?</p>

<p>What's B_2's bond order?</p>

<p>Which of following has the largest dipole moment?
NF<em>3 or CO</em>2 or CF<em>4 or C</em>2F<em>4 or SF</em>2?</p>

<p>Why is OF<em>2 molar but XeF</em>2 nonpolar?</p>

[bestswimmer]

<p>bump.........</p>