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Two complexes [Cr(H2O6)Cl3] (A) and [Cr(NH3)6]Cl3 (B) are violet and yellow coloured, respectively. The incorrect statement regarding them is :

a. value of (A) is less than that of (B).

b. value of (A) and (B) are calculated from the energies of violet and yellow light, respectively

c. Both absorb energies corresponding to their complementary colors.

d. Both are paramagnetic with three unpaired  electrons.



Question ID - 51651 | SaraNextGen Top Answer

Two complexes [Cr(H2O6)Cl3] (A) and [Cr(NH3)6]Cl3 (B) are violet and yellow coloured, respectively. The incorrect statement regarding them is :

a. value of (A) is less than that of (B).

b. value of (A) and (B) are calculated from the energies of violet and yellow light, respectively

c. Both absorb energies corresponding to their complementary colors.

d. Both are paramagnetic with three unpaired  electrons.

1 Answer
127 votes
Answer Key / Explanation : (b) -

order will be compared by spectro chemical series not by energies of violet & yellow light so order is [Cr(H2O)6]Cl3 < [Cr(NH3)6]Cl3

127 votes


127