Please someone help me with Sample OAT test

[tokyoman]

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Number 86 and 87

I can't draw the molecule here =( but if anyone has that sample OAT test from the website please tell me how to do it

86 is how many pie orbitals does pyridine have.. I thought 6 but answer says 7

and 87 is some reaction but, I can never seem to get how

2- butanone + KOH + KCN yields 2-methyl-2-butanol

what kind of reaction is it =(

please help me

 

[kiwi5frog]

86 is how many pie orbitals does pyridine have.. I thought 6 but answer says 7

Hi. If you have a link or the exact wording the questions, that might help people to reference the exact question.

As for #86, pyridine has 7 "p-orbitals" because the Nitrogen adds 1 to the 6 that are participating in the ring.