d2sp3 hybridisation of the atomic orbitals gives from Chemistry

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 Multiple Choice QuestionsMultiple Choice Questions

281.

The C-H bond and C-C bond in ethane are formed by which of the following types of overlap?

  • sp2-s and sp2-sp2

  • sp-s and sp-sp

  • p-s and p-p

  • sp3-s and sp3-sp3


282.

Which one of the following has a magnetic moment of.1.75 BM?

  • V3+

  • Cr3+

  • Fe3+

  • Ti3+


283.

Which one of the following contains ionic, covalent and coordinate bonds?

  • NaCl

  • NaCN

  • NaNC

  • NaOH


284.

Which one of the following is not true regarding electromeric effect?

  • It is a temporary effect

  • It operates on multiple bonds

  • It requires an attacking reagent

  • It results in the appearance of partial charges on the carbon atoms


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285.

d2sp3 hybridisation of the atomic orbitals gives

  • square planar structure

  • triangular structure

  • tetrahedral structure

  • octahedral structure


D.

octahedral structure

When are 5, three p and two d-orbItals belonging to the same shell of an atom mix together to form six new equivalent orbitals, the type of hybridisation is called d2sp3 or octahedral orbitals. The new orbitals are called d2sp3 or octahedral orbitals. Out of which four coplanar and two perpendicular to this plane.

                                                   


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286.

A group of atoms can function as a ligand only when

  • It is a small molecule

  • It has an unshared electron pair

  • Its a negatively charged ion

  • It is a positively charge ion


287.

Which of the following is diamagnetic?

  • H2+

  • He2+

  • O2

  • N2


288.

The number of anti-boinding electron present in O2+ molecular ion is

  • 8

  • 6

  • 5

  • 4


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289.

The pair of compounds having identical shapes for their molecules is

  • CH4, SF4

  • BCl3, ClF3

  • XeF2, ZnCl2

  • SO2, CO2


290.

The correct arrangement for the ions in the increasing order of their radii is

  • Na+, Cl-, Ca2+

  • Ca2+, K+, S2-

  • Na+, Al3+, Be2+

  • Cl-, F-, S2-


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