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Day 214: MHT-CET Chemistry

5 questions. Try each one first, then open its answer.

  1. Question 1

    Biomolecules. Asked once: 19 Apr 2026 S1 (same type asked 5 times) See all 5 of this type

    47
    Which from following, sugar is an aldohexose?

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  2. Question 2

    Green Chemistry and Nanochemistry. Asked once: 11 Apr 2026 S1 (same type asked 5 times) See all 5 of this type

    19
    Which of the following is a green alternative for dry cleaning solvents?

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  3. Question 3

    Solutions and Colligative Properties. Asked once: 12 May 2026 S1 (same type asked 5 times) See all 5 of this type

    19
    Calculate the amount of KCl that should be added to 100100 g of pure water to decrease the freezing point of water by 0.35350.3535 K, if KfK_f for water is 1.86 K kg mol−11.86\ \mathrm{K\,kg\,mol^{-1}}. [Degree of dissociation of KCl (α)=0.9(\alpha) = 0.9, Molar mass of KCl =74.5= 74.5 g/mol]

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  4. Question 4

    Alcohols, Phenols and Ethers. Asked once: 14 May 2026 S2 (same type asked 5 times) See all 5 of this type

    38
    Identify the product obtained in following reaction. C3H7−O−C3H7+HIexcess→HotΔX+Y\mathrm{C_3H_7 - O - C_3H_7} + \underset{\text{excess}}{\mathrm{HI}} \xrightarrow[\text{Hot}]{\Delta} X + Y

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  5. Question 5

    Chemical Thermodynamics and Energetics. Asked once: 12 May 2026 S1 (same type asked 5 times) See all 5 of this type

    8
    Which of the following enthalpy change is negative?

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