PYQ Vault

Day 405: MHT-CET Chemistry

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

  1. Question 1

    Chemical Thermodynamics and Energetics. Asked once: 14 May 2026 S2

    8
    CH4(g)→C(g)+4H(g)\mathrm{CH_{4(g)} \rightarrow C_{(g)} + 4H_{(g)}}, ΔH=1660\Delta H = 1660 kJ/mol. What type of enthalpy does the reaction represent?

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  2. Question 2

    Coordination Compounds. Asked once: 12 May 2026 S2

    35
    Which of the following compounds does NOT obey EAN rule?

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  3. Question 3

    Electrochemistry. Asked once: 16 Apr 2026 S1

    27
    Identify the reaction from following so that the standard potential of Cu+2/Cu\mathrm{Cu^{+2}/Cu} electrode is 0.34 V. with respective to SHE ?

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  4. Question 4

    Elements of Group 1 and 2. Asked once: 15 May 2026 S1

    29
    Identify radioactive element from the following.

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  5. Question 5

    Elements of Group 13, 14 and 15. Asked once: 18 Apr 2026 S1

    15
    What is the formula of Tin (IV) oxide?

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