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Day 456: MHT-CET Chemistry

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

  1. Question 1

    Elements of Group 16, 17 and 18. Asked once: 15 May 2023 S2

    99
    Which element from following combines with hydrogen to form a compound with lowest thermal stability?

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  2. Question 2

    Halogen Derivatives of Alkanes. Asked once: 11 Apr 2026 S1

    38
    The major product 'B' in the below mentioned reaction is- CH3−CH(Br)−CH3 →ΔAlc. KOH A →Peroxide absentHBr B\mathrm{CH_3{-}CH(Br){-}CH_3}\ \xrightarrow[\Delta]{\text{Alc. KOH}}\ \mathrm{A}\ \xrightarrow[\text{Peroxide absent}]{\mathrm{HBr}}\ \mathrm{B}

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  3. Question 3

    Ionic Equilibria. Asked once: 15 May 2023 S2

    80
    The degree of dissociation of 0.01 M solution of NH4OH\text{NH}_4\text{OH} is 4.2×10−24.2 \times 10^{-2}. What is the percent dissociation of NH4OH\text{NH}_4\text{OH}?

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  4. Question 4

    Some Basic Concepts of Chemistry. Asked once: 11 May 2023 S1

    52
    Which among the following pair of properties are intensive?

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  5. Question 5

    Structure of Atom. Asked once: 4 May 2023 S1

    51
    Calculate wavelength for emission of a photon having wave number 11516 cm−111516\text{ cm}^{-1}.

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