Q34 of 312 Page 240

Write the IUPAC names of the following:

(i) HCHO (ii) CH3CHO (iii) CH3CH2CHO (iv) CH3CH2CH2CHO

(i) The IUPAC name of HCHO is Methanal.

(ii) The IUPAC name of CH3CHO is Ethanal.


(iii) The IUPAC name of CH3CH2CHO is Propanal.


(iv) The IUPAC name of CH3CH2CH2CHO Butanal.



More from this chapter

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33 Name any two fossil fuels. 34 Draw the structure for the following compounds:

(i) Propanone (ii) Butanone

 34 Which functional group is likely to be present in an organic compound having the molecular formula C4H10O? Write formula of the organic compound. 35 (a) Match the formulae in group A with appropriate names from group B:

Group A: CH3COOH, CH3CHO, CH3OH


Group B: Ethanol, Methanol, Ethanal, Ethanoic acid