Can anyone help me with this Organic Question?

[Mr_Ritim]

---

Members do not see this ad.

Molecular formula C7H5NO4

13CNMR peaks
190.2, 163.0, 140.5, 134.8, 127.5, 119.1, 114.7

1HNMR
1H @ 11.3ish,
1H @ 10.1ish,
1H @ 8.8ish (doublet),
2H doublet peaks at 7.5ish,
2H doublet peak at 7.2ish

IR
Strong peak at 3114
1673
1579
1520
1313
1226
745


the answer I came up with was m- nitrobenzoic acid

but the answer given is 5-hydroxy-4-nitro-benzaldehyde 😡

can anyone tell me how they get that?

 

[jemc2000]

Check out this site, it may help. I found it helpful:

IR