Statement I : Dipole moment is a vector quantity and by convention it is depicted by a small arrow with tail on the negative centre and head pointing towards the positive centre.
Statement II : The crossed arrow of the dipole moment symbolizes the direction of the shift of charges in the molecules.
In the light of the above statements, choose the most appropriate answer from the options given below :
Which of the following represents the correct order of metallic character of the given elements?
Match List I with List II
List I Coordination entity |
List II Wavelength of light absorbed in nm |
||
---|---|---|---|
A. | $$\mathrm{[CoCl(NH_3)_5]^{2+}}$$ | I. | 310 |
B. | $$\mathrm{[Co(NH_3)_6]^{3+}}$$ | II. | 475 |
C. | $$\mathrm{[Co(CN)_6]^{3-}}$$ | III. | 535 |
D. | $$\mathrm{[Cu(H_2O)_4]^{2+}}$$ | IV. | 600 |
Choose the correct answer from the options given below :
A chloride salt solution acidified with dil.HNO$$_3$$ gives a curdy white precipitate, [A], on addition of AgNO$$_3$$. [A] on treatment with NH$$_4$$OH gives a clear solution B. A and B are respectively :