Consider the following pairs:Name : Formula1] 2-Chlorobutane : CH3CH2CH(Cl)CH32] Pentan-2-one : (CH3)2CHCOCH(CH3)23] Prop-2-enal : CH2CHCHO4] 2,4-Dimethylpentan-3-one : CH3COCH2CH2CH3Which of the above pairs are correctly matched?

Consider the following pairs:Name : Formula1] 2-Chlorobutane : CH3CH2C

1.	Consider the following pairs:Name : Formula1] 2-Chlorobutane : CH3CH2CH(Cl)CH32] Pentan-2-one : (CH3)2CHCOCH(CH3)23] Prop-2-enal : CH2CHCHO4] 2,4-Dimethylpentan-3-one : CH3COCH2CH2CH3Which of the above pairs are correctly matched?
A.	1 and 3 only
B.	1 and 4 only
C.	3 and 4 only
D.	2 and 3 only
Answer» B. 1 and 4 only