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Day 286: JEE Mains Chemistry

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

  1. Question 1

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 8 Apr 2024 (same type asked 7 times) See all 7 of this type

    54
    The number of optical isomers in following compound is : ______.

  2. Question 2

    Some Basic Concepts of Chemistry. Asked once: 29 Jan 2024 (same type asked 7 times) See all 7 of this type

    144
    Molality of 0.8MH2SO40.8MH_{2}SO_{4} solution (density 1.06 g cm−31.06\text{ }g{\text{ }cm}^{- 3} ) is ____ ×10−3 m\times10^{- 3}\text{ }m.

  3. Question 3

    Some Basic Concepts of Chemistry. Asked once: 27 Jan 2024 (same type asked 7 times) See all 7 of this type

    53
    Mass of methane required to produce 22 g22\text{ }g of CO2CO_{2} after complete combustion is ____ g. (Given Molar mass in g mol-1 C=12.0C = 12.0
    H=1.0O=16.0)\begin{matrix} & H = 1.0 \\ & O = 16.0) \end{matrix}

  4. Question 4

    The p-Block Elements. Asked once: 2021 Paper 11 (same type asked 7 times) See all 7 of this type

    39
    If P4O10P_{4}O_{10} and HNO3HNO_{3} are mixed in 1:41:4 ratio, the nature of the nitrogen oxide obtained is

    Tap an option to check your answer.

  5. Question 5

    Electrochemistry. Asked once: 28 Jun 2022 (same type asked 6 times) See all 6 of this type

    144
    For the given reactions
    Sn2++2e−→SnSn^{2 +}+ 2e^{-}\rightarrow Sn
    Sn4++4e−→SnSn^{4 +}+ 4e^{-}\rightarrow Sn
    The electrode potentials are; ESn2+/Sno=−0.140 VE_{Sn^{2 +}/Sn}^{o}= - 0.140\text{ }V and ESn4+/Sno=0.010 VE_{Sn^{4 +}/Sn}^{o}= 0.010\text{ }V. The magnitude of standard electrode potential for Sn4+/Sn2+Sn^{4 +}/Sn^{2 +} i.e. ESn4+/Sn2+oE_{Sn^{4 +}/Sn^{2 +}}^{o} is ____×10−2 V\_\_\_\_\times10^{- 2}\text{ }V. (Nearest integer)