For the complex `K_(2)[Cr(NO)(NH_(3))(CN)_(4)],mu=1.73 BM`. (i) Write IUPAC name. (ii) What will be structure ? (iii) How many unpaired electrons are

Monjur Alahi

For the complex `K_(2)[Cr(NO)(NH_(3))(CN)_(4)],mu=1.73 BM`.
(i) Write IUPAC name.
(ii) What will be structure ?
(iii) How many unpaired electrons are present in the central metal ion ?
(iv) Is it paramagnetic or diamagnetic ?
(v) Calculate the EAN of the complex.
(vi) What will be the hybridisation of the complex.


0 like 0 dislike
1 views
Share with your friends

1 Answers

Salim Ahmed Kawsar

Call

Correct Answer - (i) potassium amminetetracyanidonitrosoniumchromate(I)
(ii) Octahedral (iii) One unparied electron (iv) It is paramagnetic with one unpaired electron
(v) `EAN=24-1+2xx6=35` (iv) `d^(2)sp^(3)`

0 like 0 dislike
1 views
Talk Doctor Online in Bissoy App
Which of the following has maximum number of unpaired electrons:

`Fe^(+3)=[Ar]_(18)3d^(5)` (5 unpaired electron) `Fe^(+2)=[Ar]_(18)3d^(6)`(4 unpaired electron) `Se^(+3)=[Ar]_(18)` (0 unpaired electron) `Cu^(+2)=[Ar]_(18)3d^(9)` (1 unpaired electron)

2 Answers 1 views
Using IUPAC norms write the formulae for the following: (a) Potassium trioxalatoaluminate (III) (b) Dichloridobic (ethane-1,2-diamine)cobalt(III)

(a) `K[Al(o x)_(3)]^(x)" "(b)[CoCl_(2)(en)_(2)]` `x=3+(-2)xx3=x=-3` Formulae: `K_(3)[Al(o x)_(3)]`

2 Answers 1 views
If metal ions of groups III are precipitated by `NH_(4)Cl` and `NH_(4)OH` without prior oxidation by conc. `HNO_(3)`....... is not completely precipit

Correct Answer - `Fe^(2+)`

2 Answers 1 views
How many millimoles of `MgCI_(2)` should be added to just precipitate `Mg(OH)` in 500 ml buffer solution containing `0.1 M NH_(4)OH` and `0.1M(NH_(4))

Correct Answer - `0200`

2 Answers 2 views
How many compounds liberate `NH_(3)` on heating from the following ? (i) `(NH_(4))_(2)SO_(4) " " (ii) (NH_(4))_(2)CO_(3) " " (iii) NH_(4)Cl` (iv) `NH_

Correct Answer - 3 (I,ii, iii)

2 Answers 1 views
Arrange the following in increasing order as directed. `(a) (i) [CoCl_(3)(NH_(3))_(3)]," "(ii)[CoCl(NH_(3))_(5)]Cl_(2)," "(iii)[Co(NH_(3))_(6)]Cl_(3),

Correct Answer - `(a) i lt iv lt ii lt iii " " (b) X lt O lt N lt C " " ( c) Br^(-) lt S^(2-) lt NO_(3)^(-)...

2 Answers 1 views
`Ni^(+2)` form a complex inon in water having the formula `[Ni(H_(2)O)_(6)]^(+2)`. How many of the following statement are true for the complex ion ?

Correct Answer - 4(i, iii, iv, vii)

2 Answers 1 views
Total number of paramagnetic complexes which are inner orbital complexes : `(i) [Cr(NH_(3))_(6)]Cl_(3) " " (ii)[Co(NH_(3))_(6)](NO_(3))_(2)" " (iii)[N

Correct Answer - 2(i & v)

2 Answers 1 views
In how many of the following reactions `N_(2)` gas may be released `{:((a) NH_(4)NO_(2) overset(Delta)rarr,(b) (NH_(4))_(2) Cr_(2)O_(7) overset(Delta)

Correct Answer - 9(a,b,c,d,e,f,g,h and i)

2 Answers 1 views
An alkene ‘A’ an ozonolysis gives 2 moles of ethanal. Write the structure and IUPAC name of ‘A’.

Structure of A :  CH3 – CH = CH – CH3  IUPAC name of A :  But-2-ene

2 Answers 1 views
X