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The colour of the transition metal ions ...

The colour of the transition metal ions is/are due to:

A

d-d transition of electrons in presence of ligands.

B

charge transfer from ligand to metal ion

C

change in the geometry

D

polarisation of anion by cation

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The correct Answer is:
A, B, D
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The colour of the transition metal ions is due to

The colour of transition metal ions is due to ............... in d-subshell and .............. transition.

The colours of the transition metal are due to d-d excitation. The energy required for d-d electron axcitation is available in the visible range. Transition metal ions have the tendency to absorb certain rediations from the visible region and exhibit the complementary colour. The transition metal ions which have completely filled d-orbitals are colourless as the excitation of electron or electrons is not possible within d-orbitals. The transition metal ions which have completely empthy d-orbitals are also colourless. In KMnO_4 and K_2Cr_2O_7 , there are no unpaired electrons at the central atom but they are dep in colour. The colour of these compounds is due to charge transfer spectrum. for example in MnO_4 electron is momentrily transferred from O to the metal and thuys oxygen changes from O^(2-) and O^(ɵ) maganese from Mn^(7+) to Mn^(6+) . Q. Which of the following is paramagnetic as well as coloured ion?

The colours of the transition metal are due to d-d excitation. The energy required for d-d electron axcitation is available in the visible range. Transition metal ions have the tendency to absorb certain rediations from the visible region and exhibit the complementary colour. The transition metal ions which have completely filled d-orbitals are colourless as the excitation of electron or electrons is not possible within d-orbitals. The transition metal ions which have completely empthy d-orbitals are also colourless. In KMnO_4 and K_2Cr_2O_7 , there are no unpaired electrons at the central atom but they are dep in colour. The colour of these compounds is due to charge transfer spectrum. for example in MnO_4 electron is momentrily transferred from O to the metal and thuys oxygen changes from O^(2-) and O^(ɵ) maganese from Mn^(7+) to Mn^(6+) . Q. Which is a coloured ion?

The colours of the transition metal are due to d-d excitation. The energy required for d-d electron axcitation is available in the visible range. Transition metal ions have the tendency to absorb certain rediations from the visible region and exhibit the complementary colour. The transition metal ions which have completely filled d-orbitals are colourless as the excitation of electron or electrons is not possible within d-orbitals. The transition metal ions which have completely empthy d-orbitals are also colourless. In KMnO_4 and K_2Cr_2O_7 , there are no unpaired electrons at the central atom but they are dep in colour. The colour of these compounds is due to charge transfer spectrum. for example in MnO_4 electron is momentrily transferred from O to the metal and thuys oxygen changes from O^(2-) and O^(ɵ) maganese from Mn^(7+) to Mn^(6+) . Q. Select the correct statement:

The colours of the transition metal are due to d-d excitation. The energy required for d-d electron axcitation is available in the visible range. Transition metal ions have the tendency to absorb certain rediations from the visible region and exhibit the complementary colour. The transition metal ions which have completely filled d-orbitals are colourless as the excitation of electron or electrons is not possible within d-orbitals. The transition metal ions which have completely empthy d-orbitals are also colourless. In KMnO_4 and K_2Cr_2O_7 , there are no unpaired electrons at the central atom but they are dep in colour. The colour of these compounds is due to charge transfer spectrum. for example in MnO_4 electron is momentrily transferred from O to the metal and thuys oxygen changes from O^(2-) and O^(ɵ) maganese from Mn^(7+) to Mn^(6+) . Q. Which of the following compounds is (are) coloured due to charge transfer spectra and not due to d-d transition?

The colours of the transition metal are due to d-d excitation. The energy required for d-d electron axcitation is available in the visible range. Transition metal ions have the tendency to absorb certain rediations from the visible region and exhibit the complementary colour. The transition metal ions which have completely filled d-orbitals are colourless as the excitation of electron or electrons is not possible within d-orbitals. The transition metal ions which have completely empthy d-orbitals are also colourless. In KMnO_4 and K_2Cr_2O_7 , there are no unpaired electrons at the central atom but they are dep in colour. The colour of these compounds is due to charge transfer spectrum. for example in MnO_4 electron is momentrily transferred from O to the metal and thuys oxygen changes from O^(2-) and O^(ɵ) maganese from Mn^(7+) to Mn^(6+) . Q. K_2Cr_2O_7 gives coloured solution in water. The colour is due to

The colour of transition metal ion is attributed to:

The colour of transition metal ion is attributed to:

Transition metals:

RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 2
  1. Transition elements have greater tendency to form complexes because

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  2. Titanium dioxide is added in the interior paints for walls of rooms, h...

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  3. The melting point of Zn is lower as compared to those of the other ele...

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  4. The less stable oxidation state of Cr are:

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  5. Which of the following statement is/are correct?

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  6. Select correct statement(s).

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  7. The colour of the transition metal ions is/are due to:

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  8. Which of the following chemical reaction(s) is/are involved in develop...

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  9. Which of the following statement are correct when a mixture of NaCl a...

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  10. Monazite is the ore of:

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  11. Pyrolusite is used to prepare potassium permanganate MnO(2)overset(X)t...

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  12. Which is not a mineral of aluminium?

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  13. Transition metals usually from coloured complexes and d-d transitions ...

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  14. Transition metals usually from coloured complexes and d-d transitions ...

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  15. Name the compound which gives blue colour to the glass.

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  16. Pyrolusite ore on oxidation with KCIO(3)//KNO(3) in basic medium produ...

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  17. Pyrolusite ore on oxidation with KCIO(3)//KNO(3) in basic medium produ...

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  18. . Q. Which combination is correct:

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  19. . Q. Which combination is/are not correct

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  20. . Q. Which combination is correct for Ni.

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