(A) $V^{4+}$ $(3d^1)$,$Ti^{3+}$ $(3d^1)$,and $Ni^{2+}$ $(3d^8)$ have unpaired electrons in their $d$-subshell. Therefore,these ions show $d-d$ transit

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(A) $V^{4+}$ $(3d^1)$,$Ti^{3+}$ $(3d^1)$,and $Ni^{2+}$ $(3d^8)$ have unpaired electrons in their $d$-subshell. Therefore,these ions show $d-d$ transition and exhibit characteristic colours.$Ti^{4+}$ $(3d^0)$ does not have any unpaired electrons,therefore it is colourless.Matching the ions with their colours:$A. V^{4+}$: $IV. Blue$$B. Ti^{3+}$: $II. Purple$$C. Ti^{4+}$: $I. Colourless$$D. Ni^{2+}$: $III. Green$Thus,the correct matching is $A-IV, B-II, C-I, D-III$.

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

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Match the following metal ions with their respective colours:
Metal ion Colour
$A. V^{4+}$ $I. Colourless$
$B. Ti^{3+}$ $II. Purple$
$C. Ti^{4+}$ $III. Green$
$D. Ni^{2+}$ $IV. Blue$
$V. Yellow$

Metal ion	Colour
$A. V^{4+}$	$I. Colourless$
$B. Ti^{3+}$	$II. Purple$
$C. Ti^{4+}$	$III. Green$
$D. Ni^{2+}$	$IV. Blue$
	$V. Yellow$

TS EAMCET 2019 All TS EAMCET

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

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d-and f-Block Elements

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General Characteristics

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Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Generally, $3d$ transition metals have high melting points.
Reason $R$: Involvement of $3d$-electrons in addition to $4s$-electrons in the interatomic metallic bonding.
In light of the above statements, choose the most appropriate answer from the options given below:

MediumNEET 2026

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Correct statement for $3d-$ series is

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Which of the following represents the correct order of atomic radii (metallic radii) for the given transition elements?

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Assertion : The free gaseous $Cr$ atom has six unpaired electrons.
Reason : Half-filled $s$ orbital has greater stability.

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In a transition series,as the atomic number increases,paramagnetism

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Match the following metal ions with their respective colours:Metal ionColour$A. V^{4+}$$I. Colourless$$B. Ti^{3+}$$II. Purple$$C. Ti^{4+}$$III. Green$$D. Ni^{2+}$$IV. Blue$$V. Yellow$

Similar Questions

Correct statement for $3d-$ series is

Which of the following represents the correct order of atomic radii (metallic radii) for the given transition elements?

Assertion : The free gaseous $Cr$ atom has six unpaired electrons.Reason : Half-filled $s$ orbital has greater stability.

In a transition series,as the atomic number increases,paramagnetism

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Match the following metal ions with their respective colours:
Metal ion Colour
$A. V^{4+}$ $I. Colourless$
$B. Ti^{3+}$ $II. Purple$
$C. Ti^{4+}$ $III. Green$
$D. Ni^{2+}$ $IV. Blue$
$V. Yellow$

Assertion : The free gaseous $Cr$ atom has six unpaired electrons.
Reason : Half-filled $s$ orbital has greater stability.