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JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Self Evaluation Test - The p-Block Elements (Group 15, 16, 17 & 18)

  • question_answer
    In nitrogen family, the H-M-H bond angle in the hydrides gradually becomes closer to \[90{}^\circ \] on going from N to Sb. This shows that gradually

    A) the basic strength of the hydrides increases.

    B) almost pure p-orbitals are used for M-H bonding.

    C) the bond energies of M-H bonds increases.

    D) the bond pairs of electrons become nearer to the central atom.

    Correct Answer: B

    Solution :

    [b] With the decrease in the electronegativity of central atom the bond angle decreases


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