Answers

(a) Methane reacts with chlorine under certain condition to produce tetrachloromethane. (i) State the condition for the reaction…

(i) State Two assumptions of the kinetic theory of gases (ii) When some solids are heated, they change…

(a)(i) Mention two types of bond present in the ammonium ion (ii) Give three characteristic properties of electrovalent…

(a)(i) State the two types of hardness in water. (ii) Name a salt that causes each type of…

(i) Name two amorphous forms of carbon (ii) State the reason why graphite is a lubricant but diamond…

(a)(i) List three observable changes that take place when a dilute solution of copper (II) chloride is electrolysed…

(i) Write the structure of 2—chloro-2—methylpropane. (ii) Consider the compound X represented by the structure below: I. State…

(a)(i) State Graham’s law of diffusion (ii) If 100 cm(^3) of oxygen diffused in 4 seconds and 50cm(^3)…

(a)(i) Draw and label a diagram to illustrate the preparation and collection of dry chlorine gas in the…

(a)(i) Draw the energy profile diagram for the reaction H(_{2(g)}) + I(_{2(g)}) —> 2HI(_{(g)})   (Delta) = —13 kJmol(^3)…