JEE Mains · Chemistry · STD 12 - 10. Biomolecules
Fructose and glucose can be distinguished by
- A Benedict’s test
- B Fehling’s test
- C Barfoed’s test
- D Seliwanoff’s test
Answer & Solution
Correct Answer
(D) Seliwanoff’s test
Step-by-step Solution
Detailed explanation
Barfoed's test \(\to \) Detecting presence of monosaccharides Fehling's test \(\to \) For aldehyes Benedict's test \(\to \) For reduving sugars Seliwanoff's test \(\to \) Differentiate between aldose and ketose
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The \(1^{st}\) ionization enthalpy for Mg is \(+737\) kJ/mol. The most probable estimated value of the \(2^{nd}\) ionization enthalpy of Mg is ______.JEE Mains 2026 Medium
- For which of the following reactions, \(\Delta H\) is equal to \(\Delta U\) ?JEE Mains 2018 Hard
- The number of compound/s given below which contain/s \(- COOH\) group is .... . \((A)\) Sulphanilic acid \((B)\) Picric acid \((C)\) Aspirin \((D)\) Ascorbic acidJEE Mains 2021 Medium
- Only \(2 \mathrm{~mL}\) of \(\mathrm{KMnO}_4\) solution of unknown molarity is required to reach the end point of a titration of \(20 \mathrm{~mL}\) of oxalic acid (\(2\) M) in acidic medium. The molarity of \(\mathrm{KMnO}_4\) solution should be _______ \(M\).JEE Mains 2024 Medium
- Arrange the following compounds in increasing order of \(C-OH\) bond length methanol, phenol, \(p-\)ethoxyphenolJEE Mains 2020 Medium
- In Dumas' method for estimation of nitrogen 1 g of an organic compound gave 150 mL of nitrogen collected at 300 K temperature and 900 mm Hg pressure. The percentage composition of nitrogen in the compound is _____ \(\%\) (nearest integer).
(Aqueous tension at \(300 \mathrm{~K}=15 \mathrm{~mm} \mathrm{Hg}\))JEE Mains 2025 Medium
More PYQs from JEE Mains
- The \(\mathrm{pH}\) of an aqueous solution containing \(1 \mathrm{M}\) benzoic acid \(\left(\mathrm{pK}_{\mathrm{a}}=4.20\right)\) and \(1 \mathrm{M}\) sodium benzoate is \(4.5\). The volume of benzoic acid solution in 300 \(\mathrm{mL}\) of this buffer solution is _______ \(\mathrm{mL}\).JEE Mains 2024 Hard
- Two electrons each are fixed at a distance \('2d'\). A third charge proton placed at the midpoint is displaced slightly by a distance \(x ( x << d )\) perpendicular to the line joining the two fixed charges. Proton will execute simple harmonic motion having angular frequency : \(( m =\) mass of charged particle)JEE Mains 2021 Hard
- Consider the region \(R=\left\{(x, y): x \leq y \leq 9-\frac{11}{3} x^2, x \geq 0\right\}\).
The area, of the largest rectangle of sides parallel to the coordinate axes and inscribed in R , is:JEE Mains 2025 Hard - The waves emitted when a metal target is bombarded with high energy electrons areJEE Mains 2023 Easy
- If the surface area of a sphere of radius \(r\) is increasing uniformly at the rate \(8\, cm^2/s\), then the rate of change of its volume isJEE Mains 2013 Hard
- Consider a uniform wire of mass \(M\) and length \(L\). It is bent into a semicircle. Its moment of inertia about a line perpendicular to the plane of the wire passing through the centre is :JEE Mains 2021 Medium