Consider the following statements
I. InSb, AIP , GaAs are the compound of groups 13-15
II. ZnS, CdS , HgTe are the compounds of groups 12-16
III. `ReO_3` is like metallic copper in its conductivity
IV. Metallic or insulating properties of certain oxides like VO, `VO_2, VO_3 " and " TiO_3` are independent on temperature .
Which of the above statements is /are incorrect ?

Options

A. I and II
B. II and III
C. Only III
D. Only IV

Answer

D

Explanation

All the above three statements are correct but IV is wrong because metallic oxides like `VO,VO_2, VO_3 " and " TiO_3` are dependent of temperature.