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Calculate the number of rings present in C_(18 ) H_(12) |
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Answer» SOLUTION :`C_(18 )H_(12)` doublebondequivalentformula `= ( c-(H)/(2)+(N)/(2) +1)` whenC= NOOF carbonatoms, H = noof HYDROGENAND halogenatomsand N = no . Ofnitrogenatoms soin ` C_(18 )H_(12)` doublebondequivalent `= 18 - (12)/(2)+0+1 =18-6+1 =13`  oneringisequalto onedoublebondequivalentare USED so remaining`,13 - 4=9` ninedoublebonsare presentin THERING hence` C_(18) H_(12)`containfouraromaticrings |
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