The systematic name of the compound N2O4 is _______.

According to the solubility rules, which of these compounds is insoluble in water? 

Which molecule generates a major result that possesses more 1H NMR signals upon exposure to Br2/FeBr3 (followed by workup). 1) t-butylbenzene 2) benzaldehyde

What is the oxidation number of nitrogen in the nitrate ion, NO3–?

The systematic name of the compound S2Cl2 is _______.

What is the formal charge on the nitrogen atom in this structure?   (Hint: Formal Charge = valence electrons – # of bonds – # of unshared electrons)

clc; clear;x = 5;while x > 4   for jj = 1:2:5      if x == 5         break;      else         fprintf(‘%g’, x);         x = x – 4;      end   end   x = x + 3;end

What is the net ionic equation for the following reaction? BaCl2(aq) + Na2CO3(aq) → BaCO3(s) + 2 NaCl(aq)

Consider the modified anti-tumor intermediate below and answer the following:   How many acyl groups are in the molecule above? (enter number only) Based on what we have observed so far, how many H atoms would be added to the molecular formula if it were treated with normal hydrogenation conditions (H2, metal)? (enter number only) How many free carboxylate groups are formed after treatment with saponification conditions? (Number only) Considering only the diasterotopic Hs, which letter indicates the position of the proton that is the most downfield in the 1H NMR? (enter letter only) Considering only the methine Hs, which letter indicates the position of the proton that is the most downfield in the 1H NMR? (enter letter only) Which letter indicates the position of the proton signal that is the most upfield in the 1H NMR?

Consider the spectrum and answer the following: (note: the unlabeled signal at ~6ppm is a multiplet) a) Which molecule agrees with the provided 1H NMR spectrum (below)? b) Which molecule should have the most deshielded non-aromatic singlet? c) What will be the splitting pattern of the most deshielded non-aromatic signal in molecule 1? d) Which molecule after undergoing Friedel-Crafts methylation provides a molecular formula of C10H10O but does not show any change in the total number of signals in the 1H NMR, but does show a change in chemical shifts?