Q.

CH3CH2COONa+-HeatNaOH+CH3CH3+Na2CO3

Consider the above reaction and identify the missing reagent/chemical.                 [2021]

1 DIBAL-H  
2 B2H6  
3 Red Phosphorus  
4 CaO  

Ans.

(4)

CH3CH2COO¯Na++NaOHheatCaOCH3CH3+Na2CO3