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Impure Substance

A complex is ...

Question

A complex is given as CoCl3.XNH3 it's 0.1m solution in water shows ∆Tf = 0.558K. Assuming 100% ionisation of complex and Co-ordination number of Co is 6. Calculate the formula of the complex.

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Similar questions

Q. A complex is represented as

C o C l_{3} . x N H_{3}

its 0.1 molal solution in aq. solution shows

Δ T_{f} = {0.558}^{0} C . K_{f}

H_{2} O

1.86

K m o l^{- 1} k g

100 %

ionisation of complex and coordination no. of

C o

is six, calculate formula of complex.

Q. A complex is represented as

C o C l_{3} \cdot X N H_{3}

. Its 0.1 molal solution in water shows

Δ T_{f} = {0.558}^{o} C

K_{f}

H_{2} O

is 1.86 K/m. Assuming 100% ionisation, the number of

N H_{3}

molecules associated with

C o

Q. A complex is represented as

CoC l_{3} x N H_{3}

. Its 0.05 molal solution in water shows

Δ T_{f} = 0.279 K

. Assuming 100% ionisation of complex and co-ordination number of Co to be six, the formula of complex will be (Given

K_{f}

H_{2} O

K m^{- 1}

)

Q. A 0.001 molal solution of a complex represented as

[P t (N H_{3})_{4} C l_{4}]

in water had freezing point depression of

{0.0053}^{o} C

K_{f}

H_{2} O = 1.86 K m o l a l i t y^{- 1}

. Assuming 100% ionisation of the complex, write the ionisation nature and formula of complex.

P d C l_{4} . 6 H_{2} O

is a hydrated complex. Its 1 molal aqueous solution has a freezing point of

269.28 K

. Assuming 100% ionization of the complex, calculate the molecular formula of the complex.

(K_{f}

= 1.86 {Kkgmol}^{- 1})

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