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Hydrolysis of sucrose is given by the following reaction. Sucrose +H_2O⇌ Glucose + Fructose If the equilibrium constant (K_C) is 2× 10^13 at 300 K,…

NEET UG 2020 — Chemistry Physical Chemistry

2020mcqhard

Hydrolysis of sucrose is given by the following reaction.

Sucrose +H2O⇌+{H}_{2}O\rightleftharpoons+H2​O⇌ Glucose +++ Fructose

If the equilibrium constant (KC)({K}_{C})(KC​) is 2×10132\times {10}^{13}2×1013 at 300K300 K300K, the value of ΔrG⊖{\Delta }_{r}{G}^{\ominus }Δr​G⊖ at the same temperature will be:

Official previous-year question

Held on 30 Apr 2020 · Verified 9 Jul 2026.

Options

  1. A

    8.314Jmol–1K–1×300K×ln(2×1013)8.314 J{\mathrm{mol}}^{–1}{K}^{–1}\times 300 K\times \mathrm{ln}(2\times {10}^{13})8.314Jmol–1K–1×300K×ln(2×1013)

  2. B

    8.314Jmol–1K–1×300K×ln(3×1013)8.314 J{\mathrm{mol}}^{–1}{K}^{–1}\times 300 K\times \mathrm{ln}(3\times {10}^{13})8.314Jmol–1K–1×300K×ln(3×1013)

  3. C

    –8.314Jmol–1K–1×300K×ln(4×1013)–8.314 J{\mathrm{mol}}^{–1}{K}^{–1}\times 300 K\times \mathrm{ln}(4\times {10}^{13})–8.314Jmol–1K–1×300K×ln(4×1013)

  4. D

    –8.314Jmol–1K–1×300K×ln(2×1013)–8.314 J{\mathrm{mol}}^{–1}{K}^{–1}\times 300 K\times \mathrm{ln}(2\times {10}^{13})–8.314Jmol–1K–1×300K×ln(2×1013)

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