Write the IUPAC names of the following structures

NCERT Example 6.2 CHAPTER - 6 HALOALKANES AND HALOARENES Write the IUPAC names of the following structures (i) 4-Bromopent-2-ene (ii) 3-Bromo-2-methylbut-1-ene (iii) 4-Bromo-3-methylpent-2-ene (iv) 1-Bromo-2-methylbut-2-ene (v) 1-Bromobut-2-ene (vi) 3-Bromo-2-methylpropene