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Day 88: MHT-CET Chemistry

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

  1. Question 1

    Solutions and Colligative Properties. Asked 3 times: 16 May 2023 S1*, 21 Apr 2025 S2*, 22 Apr 2025 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    65
    Calculate the relative lowering of vapour pressure of solution containing 3 g urea in 50 g water. [molar mass of urea =60 g mol−1= 60\text{ }g{\text{ }mol}^{- 1} ]

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  2. Question 2

    Chemical Kinetics. Asked 3 times: 11 May 2023 S2*, 20 Apr 2025 S2*, 22 Apr 2025 S1 (* = numbers or wording changed that year) See all 3 times it was asked

    99
    Half-life of a first order reaction is 20 minutes. The time taken to reduce the initial concentration of reactant to (1/10)th (1/10)^{\text{th~}} is ____\_\_\_\_ .

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  3. Question 3

    Coordination Compounds. Asked 3 times: May 2021 S1, 11 May 2023 S1, 22 Apr 2025 S1 See all 3 times it was asked

    64
    What type of hybridization is present in square planar geometry of complex [Ni(CN)4]2−\left\lbrack Ni(CN)_{4} \right\rbrack^{2 -}

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  4. Question 4

    Halogen Derivatives of Alkanes. Asked 3 times: 20 Apr 2025 S2, 21 Apr 2025 S2, 22 Apr 2025 S1 See all 3 times it was asked

    85
    The reaction of bromobenzene with bromomethane and sodium metal in dry ether to give toluene is

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  5. Question 5

    Introduction to Polymer Chemistry. Asked 3 times: 4 May 2023 S2, 10 May 2024 S2*, 21 Apr 2025 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    92
    Identify a copolymer from following.

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