Chemistry MCQ on Coordination Compounds
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Questions and Answers

What is the formula of sodium tetra chloro di ammine nickelate (II)?

  • Na2 [Ni (NH2)2Cl4]
  • Na2 [Ni (NH3)2Cl4] (correct)
  • Na2 [Ni (NH4)2Cl4]
  • Na2 [Ni NH3 Cl4]

    • Which formula represents potassium tetra iso-thiocyanato cupprate (II)?

  • K [Cu (SCN)4]
  • K2 [Cu (SCN)4] (correct)
  • K2 [Cu (NCS)4]
  • K [Cu (NCN)4]

    • What is the correct name for the complex [Ag (ONO)2]-?

  • Ion di nitro silver (I)
  • Ion di nitrito argentite (I) (correct)
  • Ion dinitro argentite (I)
  • Ion di nitrito silver (I)

    • What type of isomerism is exhibited by the complex [Co (en)2Cl2]?

    <p>Geometrical isomerism</p> Signup and view all the answers

    For the complex [MX3L2] with a coordination number of 4, which arrangement is possible?

    <p>Fac</p> Signup and view all the answers

    Iron is primarily extracted from which mineral?

    <p>Iron pyrites</p> Signup and view all the answers

    Which metal ion is not amphoteric?

    <p>Fe2+</p> Signup and view all the answers

    Which of the following is the most abundant metal in the Earth's crust?

    <p>Fe</p> Signup and view all the answers

    Which catalyst is used in the Haber process for ammonia synthesis?

    <p>Fe</p> Signup and view all the answers

    Which compound is known as an acid anhydride amongst the options?

    <p>P4O10</p> Signup and view all the answers

    Which compound represents a typical phosphoric acid salt?

    <p>Calcium dihydrogen phosphate (Ca(H2PO4)2)</p> Signup and view all the answers

    Which process is used to produce nitric acid according to the Ostwald process?

    <p>Ostwald</p> Signup and view all the answers

    What is the molecular formula of the nitrogen oxide formed in a reaction producing two moles of nitric oxide?

    <p>2NO2</p> Signup and view all the answers

    What is the end product when PCl3 reacts with water?

    <p>H3PO3 &amp; HCl</p> Signup and view all the answers

    How does alum function in the purification of water?

    <p>Aluminum coagulates the mud particles.</p> Signup and view all the answers

    Which of the following substances is not classified as a Lewis acid?

    <p>C2H4</p> Signup and view all the answers

    Which carbide yields propyne upon hydrolysis?

    <p>Mg2C3</p> Signup and view all the answers

    Which of the following is a methanide?

    <p>CaC2</p> Signup and view all the answers

    What is the primary nature of the compound known as corundum?

    <p>Aluminium oxide</p> Signup and view all the answers

    Which of the following substances is known to behave as an acid?

    <p>SiF4</p> Signup and view all the answers

    Broaden your understanding of base characteristics; which option is not a basic substance?

    <p>NH4Cl</p> Signup and view all the answers

    Among the following compounds, which represents an inorganic acid?

    <p>H2SO4</p> Signup and view all the answers

    What type of chemical bond is formed in materials classified as arachno?

    <p>Covalent bonds</p> Signup and view all the answers

    Which oxide among the options behaves as a basic oxide?

    <p>CuO</p> Signup and view all the answers

    Identify the compound that is NOT soluble in water?

    <p>BaSO4</p> Signup and view all the answers

    Which of the following represents a substance that would not typically form acidic solutions?

    <p>Na2CO3</p> Signup and view all the answers

    Which alkali metal chloride is the most stable?

    <p>LiCl</p> Signup and view all the answers

    What is a reagent used for softening temporary hardness of water?

    <p>Na2CO3</p> Signup and view all the answers

    How does the ease of hydride formation change from Li to Cs?

    <p>Decreases</p> Signup and view all the answers

    What occurs when an acidified solution of KMnO4 undergoes reduction?

    <p>Zn/Cu couple and H2O</p> Signup and view all the answers

    Which compound does not dissolve in water?

    <p>BaSO4</p> Signup and view all the answers

    What is the correct order of stability for alkali metal chlorides from least stable to most stable?

    <p>CsCl &gt; KCl &gt; NaCl &gt; LiCl</p> Signup and view all the answers

    Which of the following acids is a compound that is soluble in water?

    <p>All of the above</p> Signup and view all the answers

    Which periodic trend decreases as you move from Li to Cs?

    <p>Ionization energy</p> Signup and view all the answers

    The formation of hydrides from alkali metals demonstrates which type of bonding characteristic?

    <p>Ionic bonding</p> Signup and view all the answers

    Which substance can help in reducing the hardness of water?

    <p>Na2CO3</p> Signup and view all the answers

    Study Notes

    Complex Compounds and Formulas

    • Sodium tetra chloro di ammine nickelate (II) is represented as Na2[Ni(NH3)2Cl4].
    • Potassium tetra iso-thiocyanato cupprate (II) has the formula K2[Cu(SCN)4].
    • The complex ion [Ag(ONO)2]- is referred to as the dinitrito argentite (I).

    Types of Isomerism

    • Complex [Co(en)2Cl2] exhibits geometrical isomerism, indicating different spatial arrangements of ligands.
    • A complex with the formula [MX3L2] and a coordination number of 4 can show various geometric configurations, including cis and trans.

    Oxidation States of Manganese

    • Manganese can exist in oxidation states from +2 to +7, with +7 being the most oxidized state.

    Extraction of Metals

    • Iron is extracted from iron pyrites, a significant source of iron ore.
    • The auto-reduction process is important for extracting copper and mercury.

    Properties of Transition Metals

    • Transition elements are characterized by variable valency, primarily due to electron release from (n-1) d and ns orbitals.

    Water Treatment and Hardness

    • Temporary hardness of water can be softened using reagents like Na2CO3.
    • Alum aids in purifying water by coagulating mud particles, which helps remove impurities.

    Metal Reactivity and Extraction

    • The most abundant metal in the Earth's crust is iron (Fe).
    • Amphoteric behavior is observed in metals like Zn2+, Al3+, although Fe2+ is not amphoteric.

    Compounds and Chemical Reactions

    • The stability of alkali metal chlorides varies, with the order of stability being LiCl > NaCl > KCl > CsCl.
    • Acidified KMnO4 undergoes reduction in different conditions, including with Zn/Cu couple and water.

    Compound Classifications

    • Corundum is classified as a mineral form, specifically Al2O3.
    • Methanide is a designation for certain carbides, such as CaC2.

    Reagents and Chemical Processes

    • Reagents like Zn/H2SO4 are vital in various reduction reactions.
    • Chemical behavior of metal hydroxides and oxides is essential in determining their acidic or basic properties.

    Hydrolysis of Carbides

    • The carbide CaC2 decomposes in water to produce acetylene, while other carbides display different behaviors upon hydrolysis.

    Geological and Environmental Chemistry

    • Explains the classification of minerals and their extraction processes based on their chemical structure and reactivity.

    Additional Observations

    • Stability of complexes and their respective forms can be essential in coordination chemistry.
    • Various complex ions exhibit distinct behavior based on their ligands and oxidation states.

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    Description

    Test your knowledge with this multiple-choice quiz on coordination compounds. Questions cover formulas and names of various complex ions. Challenge yourself and learn more about the properties of nickel and copper complexes!

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