MHT CET Chemistry question
Not in JEE Main or NEET syllabus
Consider the following statement(s), I. InSb, AlP, GaAs are the compounds of groups 13-15. II. ZnS, CdS, HgTe are the compounds of groups 12-16. III. ReO is like metallic copper in its conductivity. IV. Metallic or insulating properties of certain oxides like VO, VO, VO and TiO are independent on temperature. Which of the above statements is/are incorrect?
Answer: (D)
Solution
Statements I, II and III are correct (13-15 and 12-16 compounds; ReO conducts like copper), but the metallic or insulating behaviour of VO, VO,
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