The major product of the following reaction sequence,

Step-by-step solution

Step i and ii is the hyboration reaction, where diborane adds to an alkane in presence of H 2 O 2 . This is according to anti-Markownikoff's rule. Step iii is the elimination reaction, where H 2 O is eliminated and leads to formation of 2 alkanes. The major product is according to Satzeff rule.