203 - Chemistry Questions Answers

which  has smaallest bond length 1.[V(CO)6]- 2.[Mn(CO)6]+ 3.[Cr(CO)6] 3. Fe(CO)5

Asked By: SAHILKUMAR
is this question helpfull: 9 1 submit your answer
Joshi sir comment

2.[Mn(CO)6]+

[V(CO)6]- will be longest

[fe{phen}3]+2 is it dia magnetic

 

Asked By: SAHILKUMAR
is this question helpfull: 8 0 submit your answer
Joshi sir comment

since phen is a strong-field, chelating nitrogen heterocycle so it will force Fe (ii) into a low-spin  t2g6  eg0 electronic configuration with no unpaired electrons so it is diamagnetic

The nitrogen oxide(s) that contain(s) N-N bond(s) is (are) -
(A) N2O (B) N2O3
(C) N2O4 (D) N2O5

Asked By: KAMAL
is this question helpfull: 20 2 submit your answer
Joshi sir comment

(A) N2O      (B) N2O3       (C) N2O4   
These 3 contains N-N bond but in    (D) N2O5    There is 1 oxygen atom between 2 NO2 so this does not contain N-N bond

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