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CBSE Class 12-science Answered

sir/madam,  

1. in NCERT chemistry books in organic chemistry sometimes hydrolysis rxn takes places by acid and water(H2SO4 + H2O/ H3O+/H+ + H2)), base with water(NaOH + H2O/ KOH + H2O) and other times only with water(H2O) what is the difference between the three and when do we use them in rxns ? hydrolysis means breaking or cleavage of compounds using water.... am I right? 

2. Is Aldol rxn and condensation only limited to 2 molecules of same aldehyde compound and 2 molecules of same ketone compound? then does it mean that it undergoes self condensation? And cross Aldol rxn and condensation is carried out by two different molecules of aldehydes and two different molecules of ketones. is cross Aldol rxn and condensation also carried out between one aldehyde and one ketone molecules?

request u to plz answer all questions

Asked by kaziryan.05 | 30 Jun, 2021, 04:52: PM
Expert Answer
Dear Stuent,
 
 
1. Hydrolysis means reaction of organic compound with water to form two or more new substances. In hydrolysis reaction, Cleavage of bond take place and water is added.
 
In different organic compounds cleavage/breaking of bond takes place in different ways so for that purpose we use different reagents. But for addition Only H2O is required so  H2O is common in all of them.
 
 
2. No, It is not limited to only one kind of reactant. Cross aldo condensation can be carried out in one aldol and one ketone molecule.
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