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Refer to the graph for trends in M.P. of...


Refer to the graph for trends in M.P. of transition elements of 3d,4d and 5d series.
Q. Choose the correct statement(s).

A

III refers to 3rd transition series of periodic table.

B

X corresponds to tungsten

C

Y" corresponds to manganese.

D

all of the above.

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Refer to the graph for trends in M.P. of transition elements of 3d,4d and 5d series. Q. What does maxima at point 'X' indicate?

    A
    One unpaired electron per d-orbital is particularly favourable for strong inteeratomic interaction.
    B
    Strong metallic bonding.
    C
    Both a and b
    D
    None of the above.

  • Refer to the graph for trends in M.P. of transition elements of 3d,4d and 5d series. Q. A metal having high boiling point:

    A
    has high enthalpy of atomization
    B
    tends to be noble in their reactions
    C
    has strong metallic bonding
    D
    all of the above.

  • Choose the correct statement for transition element.

    A
    Transition elements have low melting points
    B
    Transition elements do not have catalytic activity.
    C
    Transition elements exhibit variable oxidation states.
    D
    Transition elements exhibit inert pair effect.

    • Similar Questions

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    Read the given passage and answer the questions number 1 to 5 that follow : The d-block of the periodic table contains the elements of the groups 3 - 12 and are known as transition elements. In general, the electronic configuration of these elements is (n - 1) d^(1-10)ns^(1-2) . The d-orbitals of the penultimate energy level in their atoms receive electrons giving rise to the three rows of the transition metals i.e., 3d, 4d and 5d series. However, Zn Cd and Hg are not regarded as transition elements. Transition elements exhibit certain characteristic properties like variable oxidation states, complex formation, formation of coloured ions and alloys, catalytic activity, etc. Transition metals are hard (except Zn, Cd and Hg) and have a high melting point. Which transition metal of 3d series does not show variable oxidation states ?

    Read the given passage and answer the questions number 1 to 5 that follow : The d-block of the periodic table contains the elements of the groups 3 - 12 and are known as transition elements. In general, the electronic configuration of these elements is (n - 1) d^(1-10)ns^(1-2) . The d-orbitals of the penultimate energy level in their atoms receive electrons giving rise to the three rows of the transition metals i.e., 3d, 4d and 5d series. However, Zn Cd and Hg are not regarded as transition elements. Transition elements exhibit certain characteristic properties like variable oxidation states, complex formation, formation of coloured ions and alloys, catalytic activity, etc. Transition metals are hard (except Zn, Cd and Hg) and have a high melting point. Why are Zn, Cd and Hg non-transition elements ?

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