Service

Which of the following formulas for a compound containing the Cr2 ion is incorrect

Which of the following formulas for a compound containing the Cr2 ion is incorrect

Which of the following formulas for a compound containing the Cr2+ ion is incorrect?

A)  CrClO4    B)  CrSO4    C)  CrO    D)  CrS    E)  CrCl2

 

42.              What is the formula for a compound composed of Cr3+ ions and SO32- ions?

A)  CrSO3    B)  Cr2(SO3)3    C)  Cr3(SO3)2    D)  Cr(SO3)2    E)  Cr(SO3)3

 

43.              What is the formula for a compound composed of Ca2+ ions and PO43- ions?

A)  CaPO4    B)  Ca2(PO4)3    C)  Ca3(PO4)2    D)  Ca(PO4)2    E)  Ca(PO4)3

 

44.              What is the correct formula for the compound formed between iron(III) ion and the oxide ion?

A)  FeO    B)  Fe2O3    C)  Fe3O2    D)  Fe3O4    E)  FeO3

 

45.              What is the correct formula for the compound formed between copper(II) ion and the phosphide ion?

A)  CuPO4    B)  Cu2PO4    C)  Cu3(PO4)2    D)  Cu3P2    E)  CuP

 

46.              What is the correct formula for the compound formed between the aluminum ion and the sulfide ion?

A)  Al3S2    B)  AlS    C)  Al2S    D)  AlS2    E)  Al2S3

 

47.              What is the correct formula for the compound formed between the aluminum ion and the hydroxide ion?

A)  AlOH    B)  Al(OH)2    C)  Al(OH)3    D)  Al3OH    E)  AlH3

 

48.              What is the correct formula for the compound formed between the calcium ion and the sulfate ion?

A)  CaSO4    B)  Ca2(SO4)2    C)  Ca(SO4)2    D)  CaS    E)  CaSO3

 

49.              What is the correct formula for the compound formed between the cobalt(III) ion and the sulfate ion?

A)  CoSO4    B)  Co2(SO4)3    C)  Co3(SO4)2    D)  Co2S3    E)  CoSO3

 

50.              What is the correct formula for the compound chromium(III) sulfide?

A)  CrS    B)  Cr3S    C)  CrS3    D)  Cr3S2    E)  Cr2S3

abhinav behal 15-Feb-2020

Answer (UnSolved)

question Get solution