Which of the following statement(s) is/are incorrect about borazine (inorganic benzene)?
a. It contains pπ−dπ back bond
b. It does not give addition product with HCl like organic benzene
c. Each boron and nitrogen atom is sp2 -hybridised
d. Its disubstituted derivatives gives equal no. of ortho, meta and para derivatives like disubstituted organic benzene