Chemistry Multiple Choice Questions
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Questions and Answers

Which of the following compounds will show intramolecular hydrogen bonding?

  • H2O (correct)
  • C2H5OH
  • NH3
  • All of the above

    • Which of the following is the least ionic compound?

  • CoCl2
  • BaCl2
  • KCl
  • AgCl (correct)

    • Which of the following is a polar molecule?

  • CCl4
  • CHCl3 (correct)
  • CO2
  • CH2=CH2

    • Which of the following statements about noble gases is correct?

    <p>Both Statement I and Statement II are true.</p> Signup and view all the answers

    Which of the following compounds have different symmetry about the molecular axis?

    <p>B and D only</p> Signup and view all the answers

    Which of the following compounds will show intramolecular hydrogen bonding?

    <p>H2O</p> Signup and view all the answers

    Which molecule/ion has a square pyramidal shape?

    <p>BrF5</p> Signup and view all the answers

    In acidified aqueous solution, aluminum chloride forms an ion with which geometry?

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

    How many molecules/ions exhibit a trigonal bipyramidal shape?

    <p>4</p> Signup and view all the answers

    Which molecule/ion does NOT have a trigonal bipyramidal shape?

    <p>H2O</p> Signup and view all the answers

    What geometry does the molecule BrF5 exhibit?

    <p>Square pyramidal</p> Signup and view all the answers

    What is the compound that forms a brown precipitate when passed through Nessler's reagent?

    <p>Ammonium arsenomolybdate</p> Signup and view all the answers

    In which of the following combinations do Fe, Mn, and Ni all appear together?

    <p>29th Jan, Shift 2</p> Signup and view all the answers

    Which of the following salts is white in color?

    <p>CaF2</p> Signup and view all the answers

    On which date, in the given shifts, does Cr NOT appear?

    <p>30th Jan, Shift 2</p> Signup and view all the answers

    How many shifts have 'A, B, C, and D' appearing together?

    <p>1</p> Signup and view all the answers

    Which shift has the highest number of different elements mentioned?

    <p>1st Feb, Shift 1</p> Signup and view all the answers

    Study Notes

    Chemistry

    • The elements Fe, Mn, Ni, Cr, Cd are mentioned.

    Gas 'X'

    • Passing gas 'X' through Nessler's reagent produces a brown precipitate.

    Salts

    • White-colored salts are mentioned, with a total of 5.
    • Examples of white-colored salts include:
      • Ammonium sulphide
      • Ammonium arsenomolybdate
      • Lead sulphate

    Molecular Symmetry

    • Molecules with different symmetry about the molecular axis are mentioned.

    Compounds

    • The compound that is white in color is Lead sulphate.

    Hydrogen Bonding

    • Intra-molecular hydrogen bonding occurs in the compound o-Hydroxybenzoic acid.

    Ionic Character

    • The compounds CoCl2, KCl, BaCl2, and AgCl are compared for their ionic character.
    • AgCl is the least ionic of these compounds.

    Polar Molecules

    • The molecules CCl4, CO2, CH2=CH2, and CHCl3 are compared for their polarity.
    • CHCl3 is a polar molecule.

    Noble Gases

    • Noble gases are monoatomic gases held together by strong dispersion forces.
    • Due to these forces, they are liquefied at very low temperatures and have high boiling points.

    Molecular Shapes

    • The molecule BrF5 has a square pyramidal shape.
    • The molecule/ion PCl5 has a trigonal bipyramidal shape.
    • Aluminium chloride in acidified aqueous solution forms an ion with an octahedral geometry.
    • The molecule/ion [Ni(CN)4]2- has a square planar shape.

    Molecular Orbitals

    • The linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitals have the same symmetry about the molecular axis.

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    Description

    Test your knowledge of chemistry with these multiple choice questions covering topics like molecular symmetry, intramolecular hydrogen bonding, and ionic compounds. Choose the most appropriate option from the given ones.

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