The most of inner-transition elements, show the valency of

The most of inner-transition elements, show the valency of
  1. $+2$
  2. $+3$
  3. $+4$
  4. $+5$

Solution

Most inner-transition elements show the valency of $+3$.

Asked in: JEE-TOPICTESTS-CHEMISTRY

Practice more THE D AND F BLOCK ELEMENTS questions on Aicharya