+91-8076753736[email protected]
logo
logo
-->

Coordination Compounds

Question
CBSEENCH12011121
Wired Faculty App

A magnetic moment of 1.73 BM will be shown by one among the following

  • [Cu(NH3)4]2+

  • [Ni(CN)4]2-

  • TiCl4

  • [CoCl6]4-

Solution

A.

[Cu(NH3)4]2+

Magneitc space moment comma space straight mu space is space related space with space number space of space unpaired space electrons space as straight mu space equals space square root of straight n left parenthesis straight n plus 2 right parenthesis end root space BM left parenthesis 1.73 right parenthesis to the power of 2 space end exponent equals straight n left parenthesis straight n plus 2 right parenthesis On space solving space straight n equals 1 Thus comma space the space complex divided by compound space having space one space unpaired space electron exhibit space straight a space magnetic space moment space of space 1.73 space BM straight a right parenthesis space In space left square bracket Cu left parenthesis NH subscript 3 right parenthesis subscript 4 right square bracket to the power of 2 plus end exponent Cu to the power of 2 plus end exponent space equals space left square bracket Ar right square bracket 3 straight d to the power of 9 straight b right parenthesis space In space left square bracket Ni left parenthesis CN right parenthesis subscript 4 right square bracket to the power of 2 minus end exponent Ni to the power of 2 plus end exponent space equals space left square bracket Ar right square bracket 3 straight d to the power of 8 straight c right parenthesis space In space left square bracket TiCl subscript 4 right square bracket Ti to the power of 4 plus end exponent space equals space left square bracket Ar right square bracket 3 straight d to the power of 0 straight d right parenthesis space In space left square bracket CoCl subscript 6 right square bracket to the power of 4 minus end exponent Co to the power of 2 plus end exponent space equals space left square bracket Ar right square bracket 3 straight d to the power of 7 In space above space all space configuration space only space space left square bracket Cu left parenthesis NH subscript 3 right parenthesis subscript 4 right square bracket to the power of 2 plus end exponent has space one space unpaired space electron.

Some More Questions From Coordination Compounds Chapter

Write the formula for the following coordination compound:
Potassium tetracyanidonickelate(II)

Write the formula for the following coordination compound:
Tris(ethane -1, 2-diamine) chromium(III) chloride

Write the formula for the following coordination compound:
Amminebromidochloridonitrito-N-platinate (II)

Write the formula for the following coordination compound:
Dichloridobis(ethane-1, 2-diamine)platinum(lV) nitrate.

Write the formula for the following coordination compound:
Iron(III) hexacyanidoferrate(II)

Write the IUPAC names of the following coordination compounds:
(i) [Co(NH3)6]Cl3
(ii) [Co(NH3)5Cl]Cl2
(iii) K3[Fe(CN)6]
(iv) K3[Fe(C2O4)3]
(v) K2[PdCl4]
(vi) [Pt(NH3)2Cl(NH2CH3)]Cl.

Indicate the type of isomerism exhibited by the following complexes and draw structures for these isomers:
(i)    K[Cr(H2O)2(C2O4)2],                      (ii) [Co(en)3Cl3,
(iii) [Co(NH3)5(NO2)]|NO3]2,                 (iv) [Pt(NH3)(H2O)Cl2]

Explain on the basis of valence bond theory that [Ni(CN)4]2–  ion with square planar is diamagnetic and the [NiCl4]2– ion with tetrahedral geometry is paramagnetic.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation