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In the transition element the incoming e...

In the transition element the incoming electron occupies `[n-1]` d sublevel in preference to

A

np

B

ns

C

(n-1)p

D

(n-1)s

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The correct Answer is:
A
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Why are transition elements known as d-block elements ?

(a) Define transition elements. (b) Give general electronic configuration of f-block elements.(c ) Most of transition elements are coloured, why? (d ) Transition elements show variable oxidation states, why?

Knowledge Check

  • In transition elements , the differentiating electron enters into

    A
    ns subshell
    B
    np subshell
    C
    (n-1) d subshell
    D
    (n-2) f subshell

  • In transition elements, the differentiating electron enters into ________ subshell.

    A
    ns
    B
    np
    C
    (n-1)d
    D
    (n-2)f

  • If the differentiating electron enters (n-1) d-sublevel. The element is

    A
    A representiative elemet
    B
    A noble gas
    C
    An alkali metal
    D
    A transition element

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    The transition elements have a general electronic configuration:

    The transition elements have a general electronic configuration:

    Assertion (A) : When the transition element ionises, the 4s -orbital electrons are removed before the 3d -orbital electrons. Reason (R ) : The energy of 3d -orbital electrons is lower than that of 4s -orbital electrons.

    In transition elements the orbitals partially filled by electrons are

    In transition elements, the orbitals partially filled by electrons are

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