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Why Ce(OH)(3) is more basic than Lu(OH)...

Why ` Ce(OH)_(3)` is more basic than `Lu(OH)_(3)` ?

Answer

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Explore conceptually related problems

(a) Why is La(OH)_(3) is more basic than Lu(OH)_(3) ? (b) Why ar the properties of third transition series quite similar to second transition series.

Explain the following : (a) Out of Sc^(3+), Co^(2+) " and "Cr^(3+) "ions, only "Sc^(3+) is colourless in aqueous solutions. (Atomic no.: Co =27, Sc = 21 and Cr =24) (b) The E^(@)Cu^(2+)//Cu for copper metal is positive (+0.34), unlike the remaining members of the first transition series. (c) La(OH)_(3) " is more basic than Lu "(OH)_(3).

Knowledge Check

  • STATEMENT-1 : Lu(OH)_(3) is more basic than Ce(OH)_(3) and STATEMENT-2: Lu^(+3) has smaller size than Ce^(+3)

    A
    Statement-1 is True , Statement-2 is True , Statement-2 is a correct explanation for Statement-1
    B
    Statement-1 is True , Statement-2 is True , Statement-2 is NOT a correct explanation for Statement-1
    C
    Statement-1 is True , Statement-2 is False
    D
    Statement-1 is False , Statement-2 is True

  • Assertion : La(OH)_3 is more basic than Lu(OH)_3 . Reason : Basic character of hydroxides of lanthanoids decrease on moving from La^(3+) to Lu^(3+)

    A
    Assertion and reason both are correct statements and reason is correct explanation for assertion.
    B
    Assertion and reason both are correct statements but reason is not correct explanation for assertion.
    C
    Assertion is correct statement but reason is wrong statement.
    D
    Assertion is wrong statement but reason is correct statement

  • A: La(OH)_(3) , is less basic than Lu(OH)_(3) , R: Basic character of hydroxides of lanthanoids increase on moving from La^(+3) to Lu^(+3)

    A
    If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
    B
    If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
    C
    If Assertion is true statement but Reason is false, then mark (3)
    D
    If both Assertion and Reason are false statements, then mark (4)

    • Similar Questions

    Explore conceptually related problems

    Explain the following : La(OH)_3 is more basic than Lu(OH)_3

    Which of the following statement is not correct? (1) La(OH)_(3) is less basic than Lu(OH)_(3) (2) In lanthanide series ionic radius of Ln^(3+) ions decrease (3) Zn, Cd, Hg are colourless and are diamagnetic (4) Mn shows maximum oxidation state is +7

    What is lanthanoid contraction? (b) Write any one use of lathanoid (c) \(La(OH)_{2}\) is more basic than \(Lu(OH)_{3}\) .Explain.

    Why N(CH_(3))_(3) is more basic than N(SiMe_(3))_(3) ?

    Lu (OH)_(3) is less basis than La (OH)_(3). This is due to

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