Select the statements explaining how one can limit a radical chlorination reaction to produce mainly the monochlorinated alkane. Which procedures promote monochlorination? A. Start the reaction with an excess of methane and an excess of chlorine. B. When the reaction is over, there will be a small amount of methane and a large excess of chloromethane. These can be separated easily due to their differing boiling points. C. When the reaction is over, there will be large amounts of chloromethane and methane. These can be easily separated due to their differing boiling points. D. When the reaction is over, there will be a small amount of chloromethane and a large excess of methane. These can easily be separated due to their differing boiling points. E. Start the reaction with an excess of methane and only a small amount of chlorine. F. Start the reaction with an excess of chlorine and only a small amount of methane.

answer : (a) volume of the gas = 8.67 ×   l

                (b) second virial coefficient b = -1.21226 l/mole

solution :   given,     t = 300k

                                p = 20atm

                                z = 0.86

                                n = 8.2 mmoles = 8.2 × moles

                                r =   0.082 l atm/k/mol

        find,     (a) volume of gas   and (b) second virial coefficient b at 300k.

formula used :            

                          and            

(a)            

                    = \times 0.082\times 300}{20}[/tex]

                    = 8.67 ×   l

(b)      

                    = (0.00867-1) × 8.659

                    = - 8.5839 l/mole

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