A 0.01 m.complex of `CoCl_(3)` and `NH_(3)` (molar ratio 1:4) is found to give freezing point of - 0.0372. Suggest the formula of the complex

An octahedral complex is prepared by mixing CoCl3 and NH3 in the molar ratio 1 : 4, 0.1 m solution of this complex was found to freeze at 0.372°C. What is the formula of the complex? Given that molal depression constant (Kf) for water = 1.86°C/m.

The lowest freezing point of 0.1 M aqueous solution is of:

1 xx 10^(-3) m solution of Pt(NH_(3))_(4)Cl_(4) in H_(2)O shows depression in freezing point of 0.0054^(@)C . The formula of the compound will be [Given K_(f) (H_(2)O) = 1.86^(@)C m^(-1) ]

A solution was made up by 0.01M Co(NO_(3))_(2) and .02 M N_(2)H_(4) and was found to have at equilibrium [Co^(2+)] = 0.0062M . Calculate K_(1) for the complex formation of Co(N_(2)H_(4))^(2+) .

0.01 M solution of KCl and CaCl_(2) are separately prepared in water. The freezing point of KCl is found to be -2^(@)C . What is the freezing point of CaCl_(2) aq. Solution if it is completely ionized?

A complex PtCl_(4).5NH_(3) shows a molar conductance of 402 ohm^(-1)cm^(2) mol^(-1) in water and precipitate three mole of AgCl with AgNO_(3) . The formula of the complex is

The freezing point of an aqueous solution of KCN containing 0.1892 mol Kg^(-1) , the freezing point of the solution was found to be -0.530^(@)C . If the complex formation takes place according to the following equation: Hg(CN)_(2) , the freezing point of the solution was found to be -0.530^(@)C . If the complex formation takes place according to the following equation: Hg(CN)_2 +nKCN hArr K_n[Hg (CN)_(n+2)] what is the formula of the complex? [ K_(f)(H_(2)O) is 1.86 K kg mol^(-1) ]

A hexa-coordinated complex of formula CoCl_(3).6H_(2)O undergoes 100% ioisation is aqueous solutin to give van't Hoff factor equal to 3. Which of the following is/are correct regarding the given complex?

Complex compound [Co(SCN)_(2)(NH_(3))_(4)]Cl exhibits:

A 0.001 molal solution of [Pt(NH_(3))_(4)CI_(4)] in water had a freezing point depression of 0.0054^(@)C . If K_(f) for water is 1.80 , the correct formulation for the above molecule is