(B) Each series of transition elements ($d$-block elements) corresponds to the filling of the $(n-1)d$ orbitals.Since a $d$-subshell can accommodate a

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(B) Each series of transition elements ($d$-block elements) corresponds to the filling of the $(n-1)d$ orbitals.Since a $d$-subshell can accommodate a maximum of $10$ electrons,each transition series contains $10$ elements.

Class 12 Chemistry d-and f-Block Elements General Characteristics

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What is the number of elements present in each series of transition elements?

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A
$8$
B
$10$
C
$14$
D
$24$

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d-and f-Block Elements

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General Characteristics

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Permanent magnets are made from:

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Which of the following statements is incorrect?

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Which element from the following exhibits the lowest number of different oxidation states?

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Match the following aspects with the respective metal.

Aspects Metal

$a$. The metal which reveals a maximum number of oxidation states $i$. Scandium

$b$. The metal although placed in $3d$ block is considered not as a transition element $ii$. Copper

$c$. The metal which does not exhibit variable oxidation states $iii$. Manganese

$d$. The metal which in $+1$ oxidation state in aqueous solution undergoes disproportionation $iv$. Zinc

Select the correct option.

MediumNEET 2020

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For the first row transition metals,the $E^{\Theta }$ values are:

$E^{\Theta }$ $V$ $Cr$ $Mn$ $Fe$ $Co$ $Ni$ $Cu$

$(M^{2+}/M)$ $-1.18$ $-0.91$ $-1.18$ $-0.44$ $-0.28$ $-0.25$ $+0.35$

Explain the irregularity in the above values.

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Aspects	Metal
$a$. The metal which reveals a maximum number of oxidation states	$i$. Scandium
$b$. The metal although placed in $3d$ block is considered not as a transition element	$ii$. Copper
$c$. The metal which does not exhibit variable oxidation states	$iii$. Manganese
$d$. The metal which in $+1$ oxidation state in aqueous solution undergoes disproportionation	$iv$. Zinc

$E^{\Theta }$	$V$	$Cr$	$Mn$	$Fe$	$Co$	$Ni$	$Cu$
$(M^{2+}/M)$	$-1.18$	$-0.91$	$-1.18$	$-0.44$	$-0.28$	$-0.25$	$+0.35$

What is the number of elements present in each series of transition elements?

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Permanent magnets are made from:

Which of the following statements is incorrect?

Which element from the following exhibits the lowest number of different oxidation states?

For the first row transition metals,the $E^{\Theta }$ values are: $E^{\Theta }$ $V$ $Cr$ $Mn$ $Fe$ $Co$ $Ni$ $Cu$ $(M^{2+}/M)$ $-1.18$ $-0.91$ $-1.18$ $-0.44$ $-0.28$ $-0.25$ $+0.35$ Explain the irregularity in the above values.

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For the first row transition metals,the $E^{\Theta }$ values are:

$E^{\Theta }$ $V$ $Cr$ $Mn$ $Fe$ $Co$ $Ni$ $Cu$

$(M^{2+}/M)$ $-1.18$ $-0.91$ $-1.18$ $-0.44$ $-0.28$ $-0.25$ $+0.35$

Explain the irregularity in the above values.