please do both

- QUICK CHECK QUESTIONS 11 An uniknown compound has a molecular formula C2,H,Cl, Deduce the IriD and draw fwo skeletal formulas that are consistent with the IMD. 12. Deduce the lHD for the following molecules: a CH3CHCHCH2CHCH3 b CH3OCOCH2Cl c CH3CaCCOCH d C8H2OBr e C8H8Brf fC4H4 MS MS Worked example Examine the mass spectrum for benzene carboxylic acid and identify the ions responsible for each of the major peaks. The four major peaks are due to the detection and measurement of the folfowing cations: QUICK CHECK QUESTION 15 Propose a structure that is consistent with a compound that only contains 5p3 hydridized carbon atoms and gives a molecular ion at m/z=84