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(i) How would you name the following :
I. $\ce{CH3 - CH2 - CHO}$
II. $\ce{CH3 - C \equiv CH}$
(ii) When ethanol reacts with ethanoic acid in the presence of conc. $\ce{H2SO4}$, a substance with sweet smell is produced. Answer the following :
I. State the class of compounds to which the sweet smelling compounds belong.
II. Write the chemical equation for the reaction.
(iii) Why soaps do not produce foam with hard water ?
I. $\ce{CH3 - CH2 - CHO}$
II. $\ce{CH3 - C \equiv CH}$
(ii) When ethanol reacts with ethanoic acid in the presence of conc. $\ce{H2SO4}$, a substance with sweet smell is produced. Answer the following :
I. State the class of compounds to which the sweet smelling compounds belong.
II. Write the chemical equation for the reaction.
(iii) Why soaps do not produce foam with hard water ?
Show SolutionHide Solution↓
(i) I. Propanal (1 Mark)
II. Propyne (1 Mark)
(ii) I. Ester group (1 Mark)
II. $\ce{CH3-COOH + CH3-CH2OH ->[Acid] CH3-C(=O)-O-CH2-CH3 + H2O}$ (1 Mark)
(iii) Soaps reacts with calcium and magnesium salts present in hard water to form scum (insoluble substance). (1 Mark)
II. Propyne (1 Mark)
(ii) I. Ester group (1 Mark)
II. $\ce{CH3-COOH + CH3-CH2OH ->[Acid] CH3-C(=O)-O-CH2-CH3 + H2O}$ (1 Mark)
(iii) Soaps reacts with calcium and magnesium salts present in hard water to form scum (insoluble substance). (1 Mark)