Which of the following covalent compounds does not have any formally charged atoms?
A) (CH₃)₃NO
B) CH₂=N=N
C) CH₃-O-N=O
D) CH₃C≡NO

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

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how to represent the possible fischer projections for 2-bromohexane