Assertion : Transition metals show variable valency.
Reason : Transition metals have a large energy difference between the $ns^2$ and $(n-1)d$ electrons.
Reason : Transition metals have a large energy difference between the $ns^2$ and $(n-1)d$ electrons.
- ABoth Assertion & Reason are True & Reason is a correct explanation of the Assertion.
- BBoth Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
- CAssertion is True but the Reason is False.
- DBoth Assertion & Reason are False.
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Similar Questions
Match the column-$I$ with column-$II$.
column-$I$ $(\text{Property})$
column-$II$ $(\text{Metal})$
$i$. An element which can show $+8$ oxidation state
$a$. $Mn$
$ii$. $3d$ series element that can show upto $+7$ oxidation state
$b$. $Cr$
$iii$. $3d$ series element with highest melting point
$c$. $Os$
| column-$I$ $(\text{Property})$ | column-$II$ $(\text{Metal})$ |
|---|---|
| $i$. An element which can show $+8$ oxidation state | $a$. $Mn$ |
| $ii$. $3d$ series element that can show upto $+7$ oxidation state | $b$. $Cr$ |
| $iii$. $3d$ series element with highest melting point | $c$. $Os$ |
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View SolutionWhich of the following compounds is coloured?
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View SolutionWhich element from the following is $NOT$ considered a transition element on the basis of electronic configuration?
Gadolinium belongs to the $4f$ series. Its atomic number is $64$. Which of the following is the correct electronic configuration of gadolinium?
MediumNEET 2015
View SolutionWhich one of the following ions exhibits the highest magnetic moment?
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