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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 ?A. I and IIB. II and IIIC. Only IIID. Only IV |
Answer» Correct Answer - D 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. |
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