Topic: Trends: ionization enthalpy, oxidation states, atomic radii· d- and f-Block Elements
Which of the following statements are INCORRECT?A. All the transition metals except scandium form MO oxides which are ionic.B. The highest oxidation number corresponding to the group number in transition metal oxides is attained in Sc_2O_3 to Mn_2O_7…
Which of the following statements are INCORRECT?
A. All the transition metals except scandium form MO oxides which are ionic.
B. The highest oxidation number corresponding to the group number in transition metal oxides is attained in Sc\(_2\)O\(_3\) to Mn\(_2\)O\(_7\).
C. Basic character increases from V\(_2\)O\(_3\) to V\(_2\)O\(_4\) to V\(_2\)O\(_5\).
D. V\(_2\)O\(_4\) dissolves in acids to give VO\(_4^{3-}\) salts.
E. CrO is basic but Cr\(_2\)O\(_3\) is amphoteric.
Choose the correct answer from the options given below :
1. B and C only
2. A and E only
3. B and D only
4. C and D only