Which of the following statements is not true about glucose?
(i) It is an aldohexose.
(ii) On heating with HI, it forms n-hexane.
(iii) It is present in furanose form.
(iv) It does not give 2,4-DNP test.
The answer is the option (iii). It is present in furanose form is the right answer as all other properties are exhibited by a glucose molecule.