What are the basic qualities of a chemical engineer?

Logical Thinking, Analytical Skills, Knowledge on Operation and maitenance, Good software skills and Handled problems in coolway.

first of all 

((Engineering is acommon sense))

secondly

organic chemistry +Mathematical thinking+inorganic chemistry 

+fluid mechanic + Thermodynamic +material science  + plant design  +Automatic control +chemical process 

all of those must be studied 

and after that 

choose the field that you want to join 

such as 

petrochemical

petroleum refining

fertilizers

...etc