Select the compound being capable of resolution into enantiomers?

Enantiomers are

||Enantiomers ||

Which one of the following compounds is capable of existing in a meso form ?

1.For what values of m will the expression y^(2)+2xy+2x+my-3 in be capable of resolution into two rational factors?

Wich of the following paris of compounds is pair of enantiomers