Which of the following statements are correct?
$(i)$ $V^{2+}$ liberates hydrogen from a dilute acid.
$(ii)$ The earlier members of the lanthanide series behave more like aluminium.
$(iii)$ The 'silver' $UK$ coins are made of $Cu/Ni$ alloy.
$(iv)$ The maximum oxidation state exhibited by Neptunium is $+7$.

  • A
    $(i)$,$(iii)$ only
  • B
    $(ii)$,$(iv)$ only
  • C
    $(i)$,$(iii)$,$(iv)$ only
  • D
    $(i)$,$(ii)$,$(iii)$ only

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Similar Questions

Match the items in Column-$I$ with the items in Column-$II$.
Column-$I$ Column-$II$
$(1)$ General electronic configuration of $d$-block elements $(A)$ Transition elements
$(2)$ $d$-block elements $(B)$ $(n-1)d^{1-10}ns^{1-2}$
$(3)$ Groups $3$ to $12$ $(C)$ $Z = 58$ to $71$
$(4)$ Lanthanoid elements $(D)$ Last electron enters $d$-orbital

Select the correct option.

Match the following:
List-$I$List-$II$
$A$. Oxidation state of $V$ in $VOCl_2$$I$. $0$
$B$. Number of unpaired electrons in $MnO_4^{2-}$ ion$II$. $1$
$C$. Number of unpaired electrons in $[NiCl_4]^{2-}$ ion$III$. $5$
$D$. This oxidation state is exhibited by all lanthanide ions$IV$. $3$
$V$. $4$
$VI$. $2$

The correct answer is:

Identify the $incorrect$ order of the given parameter.

Which of the following substances are colored even in the absence of $d-d$ transitions?

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