The times taken for iodine to be liberated in the reaction between sodium thiosulphate and hydrochloric acid at various temperature are as follows. These results suggest that

• A.for a 10^o rise in temperature, rate of reaction is double
• B.for a 10 ^o rise in temperature, rate of reaction is halved
• C.time taken for iodine to appear does not depend on temperature
• D.for a 10 ^o rise in temperature rate of reaction is tripled
• E.