Practice problems: Propose reasonable mechanisms for the following reactions. Use arrows correctly to indicate bond making and bond breaking (i.e., movement of electrons), show all mechanistic intermediates, and indicate any formal charges on atoms. subd=6 (a) HO (c) (d) H₂N с H* (cat.) OH (- H₂O) OH (b) HS. -Q 1) NaH 2) H₂O H CO₂H Br Br NaHCO3 مجھے heat Br NO₂ NO₂ hint: consider that NO₂ can stabilize an adjacent anion on carbon via a resonance effect

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A: We have find out the answer.

Q: None

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Q: Complete the following reactions: Нeat C-N-CH, + NaOH a. CH, Heat b. C-N-CH, + H,O+ HCl CH,

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Q: CH2

A:

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.