Is this a correct structure?

CH3CH2
CH3CHCHCH2CH3
CH3

with a name of 3-ethyl 4-methyl hexane?

2 answers

I don't know how you have it bonded, but it appears to me to be pentane (only five in the long chain
For 3-ethyl 4-methyl its : CH3-CH2-CH(C2H5)-CH(CH3)-CH2-CH3