Determine the number of valance electrons in each of the transition metal compounds. TiO2 FeCl3 HgO AgCl RuO4 Co(NO3­)2

Q: Fe+Pb(NO3)2

A: Single replacement reactions are those reactions in which one element is replaced by another element…

Q: Which type of compound is used to color glass? OBases OPolymers O Alloys Metal oxides Acids

A: Glass is coloured when metal oxides or metal powders are added to molten glass. The colour of glass…

Q: Calculate the charge on cobalt in [Co (NH3)5Cl]CI₂. O +3 0 +2 0-3 0-2 0 +1

A: Complex = Charge on Co = ?

Q: what is the name of the compound K3[Co(ox)2Cl2]

A: The compound shown is a coordination compound in which cobalt is in +3 oxidation state.

Q: Sprecify the electronic structure of the following atoms of ions: a) Cl b) Ti c) Ti4+

A: we have to specify the electronic structure of given atoms and ions :  Cl  Ti  Ti4+

Q: Give the systematic name for the compound K2CoBr4. Give the systematic name for the compound…

A: K2CoBr4  ---》 potassium tetrabromo cobalt (ll)

Q: What is the balanced net ionic equation? Co(C2H3O2)2 * 4H2O + CH3COOH →

A:

Q: (7A) Ni(CIO4)2 is flammable and is a carcinogen. Name the compound Ni(CIO4)2. O a nickel (II)…

A:

Q: Which of the following is a transition metal? a) Calcium b) Iron c) Potassium d) Magnesium

A: In the Periodic Table, transition metals are the elements found in Groups 3-12. They are…

Q: Which of the following has the lowest first ionization energy? Rb Si P Al S

A: as along the period the first ionisation increases and along with the group the first ionisation…

Q: Which of these is optically active? Br Br Br Br CI B O A O B OD

A:

Q: Determine the oxidation state of bromine in Br₂. O -3 ○ +5 ○ +2 ○ +4 ○ 0

A: If a molecule  is composed of same element then that molecule is known as homonuclear diatomic…

Q: If MnO4 − is purple and CrO4 2− is yellow, what color would you expect VO4 3− to be? Explain the…

A:

Q: What is the correct ionic chemical formula of cobalt II hypobromite? O Co(BrO)2 O Co(BrO3)2 O CoBrO2…

A: The correct ionic chemical formula of cobalt(II) hypobromite is as follows:

Q: systematic name for Ti(NO2)3

A: Given : Molecule : Ti(NO2)3

Q: Which of the following is a transition metal? a) Aluminum b) Copper c) Zinc d) Sodium

A: Transition metals are the metals that are present in between the s-block and p-block elements. The…

Q: Determine whether the cation is Manganese (II) or Manganese ( III ) in : MnO       Mn2S3   MnBr2…

A:

Q: How many isomers exist for Co(NH3)3CI3

A: Octahedral complexes with molecular formula MA3B3 show facial and meridional isomerism. In facial…

Q: What is the total number of valence electrons in a silicate ion, SIO37 40 none of the above 24 22 20

A: Total valence electrons = valence electrons of Si + Valence electrons of O + 2( Extra 2- charge)…

Q: Which of the following compounds would you expect to have the lowest melting point? CaO H2O Na2O…

A: Ionic compounds with higher charges have higher melting point due to strong intermolecular forces…

Q: colbalt (II) phosphate octahydrate

A: Molecular Formula of cobalt (II) phosphate octahydrate is given by,

Q: -> + CuSO4 + Fe+2

A: Given , CuSO4+Fe2+→?

Q: Which may form +1 or +3 ions, depending on the conditions? A) gold  B) postassium C) silicon

A: Transition metal placed between s-block and p-block elements and they are termed as d block…

Q: In [Cu(NH 3) 4]CO 3, how many 3d electrons does copper have?     9     7     6     10     8

A: The complex = [Cu(NH3)4]CO3  Number of d electrons of Cu in the complex = ?

Q: How many atoms are covalently bonded to the chromium atom in Cr(NH3)4Cl3?

A: The given complex is Cr(NH3)4Cl3.We have to detect the number of atoms are covalently bonded to the…

Q: In which molecule below does sulfur have the least positive oxidation state? Sulfur is the central…

A: Oxidation state or oxidation number is the imaginary or fictitious charge developed on an atom if…

Q: How many electrons does silver accept from copper? 0 1 O 3 O 2

A: In this Silver can accept 1 electron from copper.This is because copper(Cu) is more reactive than…

Q: Draw the Lewis Structures for the following reaction: Fe+3 + 6NH3 → Fe(NH3)6

A: The structural representation of a molecule by showing lone pair and bond pair of electrons in it is…

Q: Fe(C₂H₃O₂)₃+Ca(OH)₂

A: The given reaction is a double-displacement reaction. It is defined as a type of chemical reaction…

Q: Give the best systematic name for each compound Ti(NO2)3  P2S5    Ni3N2  Sr(CN)2  SeBr6…

A: