A mixture of sulphur and carbon disulphi...

A mixture of sulphur and carbon disulphide is

heterogeneous and shows Tyndall effect

homogeneous and shows Tyndall effect

homogeneous and does not show Tyndall effect

heterogeneous and does not show Tyndall effect

Text Solution

Verified by Experts

The correct Answer is:

The given mixture of sulphur and carbon disulphide is a homogeneous mixture. Carbon disulphide is used as a solvent for sulphur. Tyndall effect is caused by the scattering of light by insoluble particles present in a solu- tion, Homogeneous mixtures, which do not contain insoluble particles, do not show Tyn- dall effect. Colloids and suspensions, which are heterogeneous mixtures., contain insoluble particles, and hence show Tyndall effect.

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Calculate the standard heat of formation of carbon disulphide (l), given that the standard heat of combustion of carbon (s), sulphur (s) and carbon disulphide (l) are -393.3, -293.72 and -1108.76 kJ mol^(-1) respectively

`-128.02 kJ mol^(-1)`

`+12.802 kJ mol^(-1)`

`+128.02 kJ mol^(-1)`

`-12.802 kJ mol^(-1)`

The standard heat of formation of carbon disulphide (l) given that standard heat of combustion of carbon (s), sulphur (s) and carbon disulphide (l) are -393.3, -293.72 and -1108.76 KJ mol^(-1) respectively is

`-12.502 KJ. Mol^(-1)`

`+128.02 KJ.mol^(-1)`

`-128.02 KJ.mol^(-1)`

`+12.802 KJ.mol^(-1)`

The structure of azido carbon disulphide is

`CS_(2)(N_(3))_(2)`

`(SCSN_(3))_(2)`

`CS_(2)N_(3)`

`(CSN_(3))_(2)`\