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Day 373: JEE Mains Chemistry

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

  1. Question 1

    Chemical Bonding and Molecular Structure. Asked once: 27 Jul 2022 (same type asked 8 times) See all 8 of this type

    148
    The number of molecule(s) or ion(s) from the following having non-planar structure is NO3−,H2O2,BF3,PCl3,XeF4NO_{3}^{-},H_{2}O_{2},BF_{3},PCl_{3},XeF_{4},
    SF4,XeO3,PH4+,SO3,[Al(OH)4]−SF_{4},XeO_{3},PH_{4}^{+},SO_{3},\left\lbrack Al(OH)_{4} \right\rbrack^{-}

  2. Question 2

    Alcohols, Phenols and Ethers. Asked once: 25 Jul 2022 (same type asked 8 times) See all 8 of this type

    135
    Arrange the following in decreasing acidic strength

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  3. Question 3

    Haloalkanes and Haloarenes. Asked once: 2021 Paper 8 (same type asked 7 times) See all 7 of this type

    35
    The correct pair(s) of the ambident nucleophiles is (are) : (A) AgCN/KCNAgCN/KCN (B) RCOOAg/RCOOKRCOOAg/RCOOK (C) AgNO2/KNO2AgNO_{2}/KNO_{2} (D) AgI/KIAgI/KI

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  4. Question 4

    Coordination Compounds. Asked once: 11 Apr 2023 (same type asked 19 times) See all 19 of this type

    52
    The ratio of spin-only magnetic moment values μeff [Cr(CN)6]3−/μeff [Cr(H2O)6]3+\mu_{\text{eff~}}\left\lbrack Cr(CN)_{6} \right\rbrack^{3 -}/\mu_{\text{eff~}}\left\lbrack Cr\left( H_{2}O \right)_{6} \right\rbrack^{3 +} is____

  5. Question 5

    Chemical Bonding and Molecular Structure. Asked once: 31 Jan 2024 (same type asked 15 times) See all 15 of this type

    55
    The number of species from the following in which the central atom uses sp3sp^{3} hybrid orbitals in its bonding is _______ .
    NH3,SO2,SiO2,BeCl2,CO2,H2O,CH4,BF3NH_{3},SO_{2},SiO_{2},BeCl_{2},CO_{2},H_{2}O,CH_{4},BF_{3}