Select the reagents you would use to synthesize the compounds below from benzene. Use the minimum number of steps.
1 answer:
Answer:
A
C
Explanation:
For the reaction of m-bromonitrobenzene from benzene first, we need to carry out the nitration of benzene utilizing HNO3, H2SO4.
Bromination of nitrobenzene with Br2, FeBr3 outfits m-bromonitrobenzene in light of the fact that nitro group is meta coordinating for electrophile. The mechanism activity for the reaction is shown in the image below.
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None of the statement is not correct about NO, NO+, and NO−.
Explanation:
Those molecules whose all subshells are completely filled are diamagnetic.
Those molecules whose any sub-shell is incomplete is termed paramagnetic.
Let us check the magnetism in all three molecules based on molecular orbital theory and Lewis structure
NO= number of electrons 11
It form N=O having configuration 1s2,2s2,2p6,3s1, it has 1 unpaired electron so it is paramagnetic.
Now NO-, number of electrons 12 having configuration 1s2,2s2,2p6,3s2, no unpaired electron hence dimagnetic.
Now NO+, number of electrons is 10 having configuration 1s2,2s2,2p6,3s2, dimagnetic
Let us calculate the bond order of NO-
N0- have 12 electrons as 5 of nitrogen, 6 of oxygen and 1 of - charge on oxygen.
So, bond order =
= 2 double bonds
bond order of NO+, Number of electrons is 10
bond order=
bond order = 3
bond order of NO, number of electrons 11
bond order=
bond order=2.5
Larger the bond order shorter the bond.