The acid dissociation constant (pKa) values of all alkanes are estimated to range from 50 to 70, depending on the extrapolation method, hence they are extremely weak acids that are practically inert to bases (see: carbon acids).
ðɪ ˈæsɪd dɪsˌoʊsɪˈeɪʃən kˈɑːnstənt pˈiː kˈɑː vˈæljuːz ʌv ˈɔːl ˈælkeɪnz ɑːɹ ˈɛstᵻmˌeɪɾᵻd tə ɹˈeɪndʒ fɹʌm fˈɪfti tə sˈɛvənti, dᵻpˈɛndɪŋ ɔnðɪ ɛkstɹˈæpəlˈeɪʃən mˈɛθəd, hˈɛns ðeɪ ɑːɹ ɛkstɹˈiːmli wˈiːk ˈæsɪdz ðæt ɑːɹ pɹˈæktɪkli ɪnˈɜːt tə bˈeɪsᵻz sˈiː: kˈɑːɹbən ˈæsɪdz.