(a) `H_(2)+Br_(2)to2HBr`
(b) `HBr+NaOHtoNaBr+H_(2)O`
(c ) `2NaBr+Cl_(2) to2NaCl+Br_(2)`
(d) `2NaCl to2Na+Cl_(2)` Arrange the above reactions in order s double displacement reaction, combination reaction, decomposition reaction and displacement reaction.
A. badc
B. bdac
C. bacd
D. abdc