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Day 156: JEE Mains Chemistry

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

  1. Question 1

    Structure of Atom. Asked once: 28 Jan 2026 S2 (same type asked 3 times) See all 3 of this type

    34
    The wavelength of photon ' A ' is 400 nm. The frequency of photon ' B ' is 1016 s−110^{16}{\text{ }s}^{- 1}. The wave number of photon ' C ' is 104 cm−110^{4}{\text{ }cm}^{- 1}. The correct order of energy of these photons is :

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  2. Question 2

    Amines. Asked once: 6 Apr 2023 (same type asked 3 times) See all 3 of this type

    149
    Number of isomeric aromatic amines with molecular formula C8H11 NC_{8}H_{11}\text{ }N, which can be synthesized by Gabriel Phthalimide synthesis is__

  3. Question 3

    Chemical Bonding and Molecular Structure. Asked once: 9 Apr 2024 (same type asked 3 times) See all 3 of this type

    124
    The correct increasing order for bond angles among BF3,PF3BF_{3},PF_{3} and ClF3ClF_{3} is :

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  4. Question 4

    Chemical Bonding and Molecular Structure. Asked once: 4 Apr 2026 S2 (same type asked 3 times) See all 3 of this type

    36
    Consider the following molecules/species: (x) (y) (z) The correct order of carbon - oxygen double bond length is:

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  5. Question 5

    Coordination Compounds. Asked once: 15 Apr 2023 (same type asked 3 times) See all 3 of this type

    52
    The volume (in mLmL ) of 0.1MAgNO30.1MAgNO_{3} required for complete precipitation of chloride ions present in 20 mL20\text{ }mL of 0.01M0.01M solution of [Cr(H2O)5Cl]Cl2\left\lbrack Cr\left( H_{2}O \right)_{5}Cl \right\rbrack Cl_{2} as silver chloride is___