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Write the IUPAC names for the following compounds.

Chemistry

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Final answers bolded above.\text{Final answers bolded above.}

Step 1: (i)(a) Iron reacts with copper sulphate (displacement reaction).\text{Step 1: (i)(a) Iron reacts with copper sulphate (displacement reaction).} Fe+CuSO4→FeSO4+Cu\mathrm{Fe + CuSO_4 \to FeSO_4 + Cu} Step 2: (i)(b) Manganese dioxide reacts with hydrochloric acid.\text{Step 2: (i)(b) Manganese dioxide reacts with hydrochloric acid.} MnO2+4HCl→MnCl2+Cl2+2H2O\mathrm{MnO_2 + 4HCl \to MnCl_2 + Cl_2 + 2H_2O} Step 3: (ii) Thermal decomposition of lead nitrate.\text{Step 3: (ii) Thermal decomposition of lead nitrate.} 2Pb(NO3)2→Δ2PbO+4NO2+O22\mathrm{Pb(NO_3)_2} \xrightarrow{\Delta} 2\mathrm{PbO} + 4\mathrm{NO_2} + \mathrm{O_2} Step 4: (iii)(a) The given structure is \chemfigH3C−CHO\text{Step 4: (iii)(a) The given structure is } \chemfig{H_3C-CHO}

Ethanal

Step 5: (iii)(b) The given structure is \chemfigHC≡C−CH3\text{Step 5: (iii)(b) The given structure is } \chemfig{HC\equiv C-CH_3}

Prop-1-yne

Final answers bolded above.\text{Final answers bolded above.}
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