Match the following:
List-$I$ (Element)List-$II$ (Block)
$A$. $Cd$$I$. $f$-block
$B$. $Eu$$II$. $s$-block
$C$. $Se$$III$. $d$-block
$D$. $Ba$$IV$. $p$-block

The correct answer is:

  • A
    $A-IV, B-III, C-II, D-I$
  • B
    $A-II, B-IV, C-I, D-III$
  • C
    $A-III, B-IV, C-II, D-I$
  • D
    $A-III, B-I, C-IV, D-II$

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Similar Questions

Write down the electronic configuration of:
$(i) Cr^{3+}$
$(ii) Pm^{3+}$
$(iii) Cu^{+}$
$(iv) Ce^{4+}$
$(v) Co^{2+}$
$(vi) Lu^{2+}$
$(vii) Mn^{2+}$
$(viii) Th^{4+}$

$A$ transition metal $X$ has a configuration $[Ar]3d^4$ in its $+3$ oxidation state. Its atomic number is

Assertion : Transition metals show variable valency.
Reason : Transition metals have a large energy difference between the $ns^2$ and $(n-1)d$ electrons.

Which of the following is more paramagnetic?

The basic character of the transition metal monoxides follows the order
(Atomic no. $Ti = 22, V = 23, Cr = 24, Fe = 26$)

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