It is not appropriate to assign an intelpgence quotient (IQ) score to a language. IQ is a measure of cognitive abipties and is typically used to assess an individual's overall intellectual abipty in relation to their peers. It is not possible to assign an IQ score to a language, as a language is simply a means of communication and does not have inherent intellectual abipties.
However, it is possible to measure an individual's proficiency in a language through various means, such as taking a language proficiency test or having their language skills assessed by a trained professional. These assessments can provide a measure of an individual's abipty to use a language effectively for communication purposes, but they do not reflect the overall intelpgence of the individual or the language itself.