$(a)$ $Be$ and $Mg$ are alkaline earth metals.
$(b)$ $K^{+}$ has larger radii than $Ca^{2+}$.
$(c)$ All $d$-block elements are transition elements.
$(d)$ $H^{-}$ ion is larger than $F^{-}$.
Incorrect statement is/are

  • A
    $a, c$ and $d$
  • B
    $b$ and $c$
  • C
    $a$ and $d$
  • D
    $a$ and $c$

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Similar Questions

Which of the following statement$(s)$ is/are incorrect?

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Select the option containing the incorrect order of the parameters given.

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Observe the following statements:
$I$. The physical and chemical properties of elements are periodic functions of their electronic configuration.
$II$. Electronegativity of fluorine is less than the electronegativity of chlorine.
$III$. Electropositive nature decreases from top to bottom in a group.
The correct answer is:

Match List – $I$ with List – $II$
List – $I$ (Element, Atomic number)List – $II$ (Position in periodic table)
$(a)$ $Ra$ – $88$$(i)$ $4^{th}$ period, $13^{th}$ group
$(b)$ $Ga$ – $31$(ii) $6^{th}$ period, $6^{th}$ group
$(c)$ $W$ – $74$(iii) $5^{th}$ period, $10^{th}$ group
$(d)$ $Pd$ – $46$(iv) $7^{th}$ period, $2^{nd}$ group

Match the items in List-$A$ with the items in List-$B$.
List-$A$ List-$B$
$(1)$ $He$ $(A)$ High electron gain enthalpy
$(2)$ $Cl$ $(B)$ Electropositive element
$(3)$ $Ca$ $(C)$ Strong reducing agent
$(4)$ $Li$ $(D)$ High ionization enthalpy

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