A chemical reaction in which one element displaces another element from its compound and takes its place is called-
The element that does not displace hydrogen from dilute acids is
In halogenation of aromatic compounds, catalyst is
Which elements try to lose three electrons from their atoms ? Why ?
The III A group element that does not displace hydrogen from hydrochloric acid is
The IIIA group element that does not displace hydrogen from hydrochloric acid is
Assertion (A) : The element zinc has displaced hydrogen from hydrochloric acid. Reason (R) : Generally metals which are less active than hydrogen displaces it from an acid.