The geometry of I3- is from Chemistry Chemical Bonding and

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 Multiple Choice QuestionsMultiple Choice Questions

81.

Geometry of SiO44- anion is

  • tetrahedral

  • trigonal

  • trihedral

  • pentagonal


82.

Chlorine (Cl17) free radical contains how many electrons around the nucleus?

  • 16

  • 17

  • 18

  • 19


83.

The atomic number of Sn is 50. The shape of gaseous SnCl2 molecule is

  • Cl-Sn-Cl


84.

The central carbon atom of a free radical contains

  • 6 electrons

  • 7 electrons

  • 8 electrons

  • 10 electrons


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85.

Reaction for the formation of NaCl is

  • Na(g) + Cl2(g) → NaCl(s)

  • Na(s) + 12Cl2(g) → NaCl(s)

  • Na(g) + 12Cl2(g) → NaCl(s)

  • Na(g) + Cl2(g) → NaCl(g)


86.

The hybridization state of C atom in butendioic acid is

  • sp2

  • sp3

  • Both (a) and (b)

  • sp


87.

Which of the following has least bond energy?

  • N22-

  • N2-

  • N2+

  • N2


88.

Which of the following species has highest bond energy?

  • O22-

  • O2+

  • O2-

  • O2


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89.

Which of the following is least hydrolysed?

  • BeCl2

  • MgCl2

  • CaCl2

  • BaCl2


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90.

The geometry of I3- is

  • triangular

  • linear

  • tetrahedral

  • T-shape


B.

linear

I3- ion is sp3d-hybridised. Due to the presence of two lone pair of electrons its geometry becomes linear instead of trigonal bipyramidal.


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