3. What color would I expect a solution of chromate ions to be after I add an excess of acid? Briefly explain.

Q: AHjattice ΔΗ, II

A:

Q: In terms of the theory of color absorption, explain two ways that a solution can be blue.

A: Firstly understand the concept of complementary color theory, when a matter connects with white…

Q: During recrystallization, an orange solution of a compound in hot water was treated with activated…

A:

Q: Why we add CaCl2 for the production of Na metal from its molten chloride?

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A basic solution turns blue litmus paper to red.

A: FALSE  BASIC SOLTIONS TURNS RED LITMUS TO BLUE SOLUTION RED LITMUS BLUE LITMUS BASIC TURNS BLUE…

Q: Explain, with an equation, how the Group II ions can be precipitated as sulfides leaving the Group…

A:

Q: What are the oxidation numbers of the elements in the nitrite ion?

A: The formula for nitrite ion is NO2-.

Q: What amperage is required to plate out 0.250 mol Cr from a Cr** solution in a period of 8 hours? 3+

A: We have to predict the current amount.

Q: Heating Sulphur powder with iron fillings then adding dilute hydrochloric acid to the product.. ...…

A:

Q: 1. Consider the Latimer diagram of bromine species under acidic conditions: +1.82 V +1.49V +1.59 V…

A: a) The species that is unstable towards disproportionation is Br2. It disproportionates to form Br-…

Q: True or False Cyanide ion forms an unstable colorless complex with copper ions.

A: The electronic configuration of Cu(29 e-) is [Ar] 3d10 4s1  The electronic configuration of Cu2+(27…

Q: Give formulas for the following. hexakis(pyridine)cobalt(III) chloride:…

A:

Q: A basic solution turns blue litmus paper to red. Select one: O True O False

A: A Litmus paper is used to determine the pH of a solution qualitatively. Litmus paper is obtained in…

Q: Use the electronic configuration of zinc to explain why it forms only a +2 cation (a +ll oxidation…

A:

Q: Schematic Diagram: Draw the schematic diagram of a solution containing the following. Cr, Mn, Ni *

A: The scheme is as follows:

Q: What are chelating agents?

A: Chelating agents has to be defined.

Q: Chelating agents are often used to prevent one or more of the customary reactions of a metal ion…

A: Chelating agents are molecules that form a stable complex with the metal atom. The complex is a…

Q: Is there a way to predict how much electrical force is required to exactly balance the tendency of…

A: Electrical force is defined as the force between two charge species.electrial force between two…

Q: If red and green solutions were mixed would you expect an orange color result?

A: Red solution + green solution = yellow solution We would not expect an orange color result.

Q: Which chromium species will disproportionate in acid and base?

A: Given is the Frost diagram for Cr species. In a Frost diagram, a line between two states is drawn,…

Q: Would you expect salts of the gold(I) ion, Au+, to be colored? Explain.

A: The presence of a partially filled d orbital is responsible for the coloration in ions because of…

Q: What generalizations can make out of this lesson of electrochemistry?

A: Electrochemistry is basically a category of chemistry that includes generation of electricity using…

Q: Using electron configurations, suggest arguments to support the following observations egarding…

A: Reactions in which oxidation and reduction occur simultaneously is called redox reaction. The…

Q: PART 3: Complete and balance the reaction below in basic solution:

A: The given redox reaction is as follows: A redox reaction is balanced by balancing the mass and…

Q: Fluorine does not exhibit any positive oxidation state. Why?

A: A number of electrons gained or lost by an atom for the formation of chemical bond represented by…

Q: Reactivity with acid is a chemical property common to most metals. Which of the following metals…

A: The reactivity of metal with HCl is very common. The general reaction can be given as: Metal…

Q: Explain why limestone (CacO3) would dissolve more readily in an aqueous solution that has continuous…

A: Limestone (CaCO3) would dissolve more readily in aqueous solution that has a continuous bubbling of…

Q: Examine the photo above and write your observations of each of the 6 metal salts and corresponding…

A: From the figure it is clear that the salt of CuCl2 can be easily differentiated due to its green…

Q: only iodine forms the heptafluoride but bromine and chlorine gives only pentafluorides.Why?

A: Iodine, chlorine and bromine belong to 17th group in a periodic table. They are called halogens and…

Q: Which one of the following compounds in aqueous solution would be best described by the picture…

A: The aqueous solution of ionic solids contains all the ions in same proportion as that in formula.

Q: why is a blue-colored solution blue?

A: Solution is made up of two components: absolute and solvent. The component which is present in major…

Q: The oxide of a metal M was water soluble when a blue litmus strip was dipped in This solution, it…

A: The metal oxide (MO) is of basic in nature. It dissolves in water to form metal hydroxide as…

Q: does transition elements are able to show variable oxidation states. if yes, why ?

A: The d block elements or elements which have is (n-1) d1–10 ns 1–2 electronic configuration is known…

Q: Complete and balance the reaction below in basic solution: H202(aq) +CI02(aq) I ClOz(aq) + 029)

A:

Q: Why are the results of flame tests for the alkali metal ions difficult to distinguish? (Choose all…

A: Flame test is used to identify the presence of metal ion particularly group 1 metal ions. It is…

Q: (b) Copper forms the hydrated complex, [CU(H;O)J*

A: (i) Name of complex - Hexaaquacopper(II) Shape of complex - Octahedral

Q: Cu + Zn^2+ ---> Zn + Cu^2+  Rationalize the possibility of this reaction (Will this reaction take…

A:

Q: 1) Why it is important to oxidize any Fe" or Ni" in the unknown sample?

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: why is the sulfide and the ferricyanide ions must not be mixed?

A: Given : why is the sulfide and the ferricyanide ions must not be mixed?

Q: Salt of anion X gives colorless gas when reacts with dil. HCl acid and can removes the color of…

A: Given statement is :  Salt of anion X gives colorless gas when reacts with dilute HCl acid and can…

Q: When the Nickel (II) ion reacts with ammonia, most students notice a colour change occurring. Can…

A: Reaction of nickel with ammonia Nickel(II)-ions are precipitated by ammonia as a green…

Q: (iii) With the use of chemical equations show the effect of heat on the nitrates of lithium and…

A: The chemical reaction involved in effect of heat on lithium & potassium nitrates are as follows:

Q: What is one example (that we have looked at) of how a mineral ore is formed? What very specific…

A: Deposits of minerals form when a medium that contains and transports mineral-making ore releases and…

Q: a. Gold (Au) is primarily recovered from ore using cyanide leaching with carbon. The process is…

A:

Q: If we had potassium vapor lamps, what color would they be?

A: The potassium vapor lamp produces bright  fluorescence.

Q: you expect the solubility of sn-cu solution to be high? please explain why or why not?.

A: