Rachana, the sequence of reactions asked in the query is an example of conversion of an alkyl halide into an alcohol through the formation of GRIGNARD REAGENT.
The compounds A and B are CH3X (where X is an Halogen like Cl, Br) and CH3MgX respectively. The compound B is known as Grignard Reagent with the general chemical formula RMgX, where R is an alkyl group and X is a halogen.
The sequence can be understood as follows:--
CH3X + Mg------------(ether)------------> CH3MgX
( A ) ( B )
CH3MgX + CH3CHO---------------(acid hydrolysis)------> Propan-2-ol + Mg(X)(OH)
( B ) ( Ethanal)
Hope it solves your query.
Question : If solution A contains 10% acid and solution B contains 30% acid, what ratio of solution A to solution B should be mixed to obtain a mixture with 25% acid?
Option 1: 1 : 2
Option 2: 3 : 1
Option 3: 1 : 3
Option 4: 2 : 1
Question : Which is known as carbolic acid?
Option 1: Phenol
Option 2: Ethanol
Option 3: Acetic acid
Option 4: Oxalic acid
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