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Day 142: MHT-CET Chemistry

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

  1. Question 1

    Solutions and Colligative Properties. Asked 2 times: 22 Apr 2025 S1*, 25 Apr 2025 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    67
    Calculate the number of moles of nonvolatile solute dissolved in 0.5 kg solvent if molal elevation constant for solvent is 2 kg K mol−1[ΔTb=0.8 K]2\text{ }kg\text{ }K{\text{ }mol}^{- 1}\left\lbrack \Delta T_{b}= 0.8\text{ }K \right\rbrack

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  2. Question 2

    Transition and Inner Transition Elements. Asked 2 times: 9 May 2023 S2, 25 Apr 2025 S2 See all 2 times it was asked

    58
    Which from following elements in respective oxidation state develops highest spin only magnetic moment?

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  3. Question 3

    Aldehydes, Ketones and Carboxylic Acids. Asked 2 times: 14 May 2024 S1, 25 Apr 2025 S1 See all 2 times it was asked

    78
    Identify the name of reaction if carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed by heating with sodium hydroxide in ethylene glycol.

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  4. Question 4

    Solid State. Asked 2 times: 22 Apr 2025 S1*, 25 Apr 2025 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    97
    Which of the following dopant is used in silicon to produce p-type semiconductor?

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  5. Question 5

    Transition and Inner Transition Elements. Asked 2 times: 22 Apr 2025 S2, 25 Apr 2025 S1 See all 2 times it was asked

    73
    Which lanthanoid from following has highest ionisation ( IE1IE_{1} ) enthalpy?

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