Q8 of 116 Page 377

How will you convert ethanal into the following compounds?

Butane-1,3-diol

Butane-1,3-diol -


Ethanol react dilute alkali produces 3-hydroxybutanal which on Reduction gives butane-1, 3-diol on reduction.


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6

Predict the products formed when cyclohexanecarbaldehyde reacts with following reagents.

Zinc amalgam and dilute hydrochloric acid

 7

Which of the following compounds would undergo aldol condensation, which the Cannizzaro reaction and which neither? Write the structures of the expected products of aldol condensation and Cannizzaro reaction.

(i) Methanal


(ii) 2-Methylpentanal


(iii) Benzaldehyde


(iv) Benzophenone


(v) Cyclohexanone


(vi) 1-Phenylpropanone


(vii) Phenylacetaldehyde


(viii) Butan-1-ol


(ix) 2,2-Dimethylbutanal

 8

How will you convert ethanal into the following compounds?

But-2-enal

 8

How will you convert ethanal into the following compounds?

But-2-enoic acid