JEE Mains · Chemistry · STD 12 - 10. Biomolecules
Identify correct conversion during acidic hydrolysis from the following :
(A) starch gives galactose.
(B) cane sugar gives equal amount of glucose and fructose.
(C) milk sugar gives glucose and galactose.
(D) amylopectin gives glucose and fructose.
(E) amylose gives only glucose.
Choose the correct answer from the options given below :
- A (A), (B) and (C) only
- B (B), (C) and (E) only
- C (C), (D) and (E) only
- D (B), (C) and (D) only
Answer & Solution
Correct Answer
(B) (B), (C) and (E) only
Step-by-step Solution
Detailed explanation
\((\mathrm{A})\) Starch \(\xrightarrow{\mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O}}\) Glucose (B) Cane sugar \(\xrightarrow{\mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O}}\) glucose + fructose (Sucrose) \(50 \% \quad 50 \%\) (C) Milk sugar…
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 \('f'\) orbitals are half and completely filled, respectively in lanthanide ions .... (Given: Atomic no. \(Eu, 63; Sm , 62 ; Tm , 69 ; Tb\), \(65 ; Yb , 70 ; Dy , 66]\)JEE Mains 2022 Easy
- Polysubstitution is a major drawback inJEE Mains 2019 Hard
- The osmotic pressure exerted by a solution prepared by dissolving \(2.0\, g\) of protein of molar mass \(60\, kg\, mol ^{-1}\) in \(200\, mL\) of water at \(27^{\circ} C\) is \(.....Pa\). [integer value] (use \(R =0.083 L\,bar\,mol ^{-1}\, K ^{-1}\) )JEE Mains 2022 Easy
- Consider the following gaseous equilibrium in a closed container of volume "V" at T(K):
\(P_{2}(g)+Q_{2}(g)\rightleftharpoons2PQ(g)\).
2 moles each of \(P_{2}(g)\), \(Q_{2}(g)\) and PQ (g) are present at equilibrium. Now one mole each of '\(P_{2}\)' and '\(Q_{2}\)' are added to the equilibrium keeping the temperature at T(K). The number of moles of \(P_{2}\), \(Q_{2}\) and PQ at the new equilibrium, respectively, are -JEE Mains 2026 Medium - In the following skew conformation of ethane, \(H'-C-C-H"\) dihedral angle is......\(^o\)
JEE Mains 2019 Hard - \((A)\) \(HOCl + H _{2} O _{2} \rightarrow H _{3} O ^{+}+ Cl ^{-}+ O _{2}\) \((B)\) \(I _{2}+ H _{2} O _{2}+2 OH ^{-} \rightarrow 2 I ^{-}+2 H _{2} O + O _{2}\) Choose the correct option.JEE Mains 2021 Medium
More PYQs from JEE Mains
- Consider the sequence \(a_{1}, a_{2}, a_{3}, \ldots \ldots\) such that\(a _{1}=1, a _{2}=2 \text { and } a _{ n +2}=\frac{2}{ a _{ n +1}}+ a _{ n } \text { for } n =1,2,3, \ldots\) If \(\left(\frac{a_{1}+\frac{1}{a_{2}}}{a_{3}}\right) \cdot\left(\frac{a_{2}+\frac{1}{a_{3}}}{a_{4}}\right) \cdot\left(\frac{a_{3}+\frac{1}{a_{4}}}{a_{5}}\right) \cdots\left(\frac{a_{30}+\frac{1}{a_{31}}}{a_{32}}\right)=2^{\alpha}\left({ }^{61} C _{31}\right) .\) then \(\alpha\) is equal to.JEE Mains 2022 Hard
- Let the domain of the function\(f(x)=\log _3 \log _5\left(7-\log _2\left(x^2-10 x+85\right)\right)+\sin ^{-1}\left(\left|\frac{3 x-7}{17-x}\right|\right)\)be \((\alpha, \beta]\). Then \(\alpha+\beta\) is equal to :JEE Mains 2026 Hard
- The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reaction is
JEE Mains 2019 Hard - In the Bohr model an electron moves in a circular orbit around the proton . Considering the orbiting electron to be a circular current loop, the magnetic moment of the hydrogen atom; when the electron is in \(n^{th}\) excited state, isJEE Mains 2013 Hard
- A metal complex with a formula \(\mathrm{MC} \ell_4 \cdot 3 \mathrm{NH}_3\) is involved in \(\mathrm{sp}^3 \mathrm{~d}^2\) hybridisation. It upon reaction with excess of \(\mathrm{AgNO}_3\) solution gives ' x ' moles of AgCl. Consider ' x ' is equal to the number of lone pairs of electron present in central atom of \(\mathrm{BrF}_5\). Then the number of geometrical isomers exhibited by the complex is ______.JEE Mains 2025 Hard
- The locus of mid-points of the line segments joining \((-3,-5)\) and the points on the ellipse \(\frac{x^{2}}{4}+\frac{y^{2}}{9}=1\) is :JEE Mains 2021 Hard