Which of the following compound is not chiral? from Chemistry C

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 Multiple Choice QuestionsMultiple Choice Questions

41.

The value of the ‘spin only’ magnetic moment for one of the following configurations is 2.84 BM. The correct one is

  • d4 (in strong ligand filed)

  • d4 (in weak ligand field)

  • d3 (in weak as well as in strong fields)

  • d3 (in weak as well as in strong fields)

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42.

For which of the following parameters the structural isomers C2H5OH and CH3OCH3 would be expected to have the same values?

  • Heat of vaporization

  • Gaseous densities at the same temperature and pressure

  • Boiling points

  • Boiling points

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43.

Among the properties (a) reducing (b) oxidising (c) complexing, the set of properties shown by CN- ion towards metal species is

  • a, b

  • a, b, c

  • c, a

  • c, a

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44.

The coordination number of central metal atom in a complex is determined by

  • The number of ligands around a metal ion bonded by sigma bonds

  • The number of only anionic ligands bonded to the metal ion

  • The number of ligands around a metal ion bonded by sigma and pi- bonds both

  • The number of ligands around a metal ion bonded by sigma and pi- bonds both

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45.

Which one of the following complexes in an outer orbital complex?

  • [Fe(CN)6]4-

  • [Ni(NH3)6]2+

  • [Co(NH3)6]3+

  • [Co(NH3)6]3+

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46.

Coordination compound has great importance in biological systems. In this context which of the following statements is incorrect?

  • Chlorophylls are green pigments in plants and contain calcium

  • Carboxypeptidase – A is an enzyme and contains zinc

  • Cyanocobalamin is B12 and contains cobalt

  • Cyanocobalamin is B12 and contains cobalt

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47.

Which one the following has the largest number of isomers?

  • [Ru(NH3)4Cl2+]

  • [Co(en)2Cl2]+

  • [Ir(PR3)2H(CO)]2+

  • [Ir(PR3)2H(CO)]2+

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48.

The correct order of magnetic moments (spin only values in B.M.) among is

(Atomic numbers: Mn = 25; Fe = 26, Co =27)

  • [MnCl4]2- > [CoCl4]-2 > [Fe(CN)6]-4

  • [Fe(CN)6]-4 > [CoCl4]2- > [MnCl4]2-

  • [Fe(CN)6]4- > [MnCl4]2- > [CoCl4]2-

  • [Fe(CN)6]4- > [MnCl4]2- > [CoCl4]2-

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49.

Amongst the following compound, the optically active alkane having lowest molecular mass

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50.

Which of the following compound is not chiral?

  • 1- chloropentane

  • 3-chloro-2- methyl pentane

  • 1-chloro -2- methyl pentane

  • 1-chloro -2- methyl pentane


A.

1- chloropentane

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