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Iron forms iron halides salts by reactin...

Iron forms iron halides salts by reacting the metal directly with halogen. `FeI_(3)` does not exist. `FeF_(3)` is white soled inspite of five unpaired electrons with `d^(5)` configuration . `FeCl_(3)` is soluble in water and is used as a mordant in dyeing industry.
Q.Anhydrous `FeCl_(3)` can be prepared by reaction of:

A

Fe with dry chlorine

B

Fe with dil.HCl in the presence of `O_(2)`

C

`Fe(OH)_(3)` with conc. HCl

D

`Fe_(2)O_(3)` with conc. HCl

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The correct Answer is:
A
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Iron forms iron halides salts by reacting the metal directly with halogen. FeI_(3) does not exist. FeF_(3) is white soled inspite of five unpaired electrons with d^(5) configuration . FeCl_(3) is soluble in water and is used as a mordant in dyeing industry. Q. FeI_(3) does not exist because:

Iron forms iron halides salts by reacting the metal directly with halogen. FeI_(3) does not exist. FeF_(3) is white soled inspite of five unpaired electrons with d^(5) configuration . FeCl_(3) is soluble in water and is used as a mordant in dyeing industry. Q. FeCl_(3) solution added to K_(4)[Fe(CN)_(6)] gives A while with KSCN gives B. A and B respectively are:

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A metal X forms a water-soluble seat XNO_(3) When an aqueous solution of XNO_(3) is added to the common salt solution, then a white precipitate of compound Y is formed along with sodium nitrate solution. Metal X is said to be the best conductor of electricity and it does not evolve hydrogen when put in dilute hydrochloric acid. (a) What is metal X ? (b) What is salt XNO_(3) ? (c ) Name the compound Y. (d) Write the chemical equation of the reaction which takes place on reaction XNO_(3) solution and common salt solution giving the physical states of all the reactants and products. (e) What type of chemical reaction is illustrated by the above equation?

The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . In 3d series, the maximum oxidation state is shown by

The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . Identify the correct statement

VK JAISWAL-d-BLOCK ELEMENTS-Level 3
  1. Iron (+II) is one of the most important oxidation states, and salts ar...

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  2. Iron forms iron halides salts by reacting the metal directly with halo...

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  3. Iron forms iron halides salts by reacting the metal directly with halo...

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  4. Iron forms iron halides salts by reacting the metal directly with halo...

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  5. In salts of polyatomic anion, as polarising power of cation increase, ...

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  6. In salts of polyatomic anion, as polarising power of cation increase, ...

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  7. Light green (compound 'A')overset(Delta)(to)"white Residue(B)"overset(...

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  8. Light green (compound 'A')overset(Delta)(to)"white Residue(B)"overset(...

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  9. Light green (compound 'A')overset(Delta)(to)"white Residue(B)"overset(...

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  10. Light green (compound 'A')overset(Delta)(to)"white Residue(B)"overset(...

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  11. Transition metal and their compounds are used as catalyst in industry ...

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  12. Transition metal and their compounds are used as catalyst in industry ...

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  13. Transition metal and their compounds are used as catalyst in industry ...

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  14. Transition metal and their compounds are used as catalyst in industry ...

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  15. MnO(2) is the most important oxide of manganese , MnO(2) occurs natual...

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  16. MnO(2) is the most important oxide of manganese , MnO(2) occurs natual...

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  17. MnO(2) is the most important oxide of manganese , MnO(2) occurs natual...

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  18. MnO(2) is the most important oxide of manganese , MnO(2) occurs natual...

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  19. Iron (+II) is one of the most important oxidation states and salts are...

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  20. Iron (+II) is one of the most important oxidation states and salts are...

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