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

Easy

Which of the following pairs of elements does $NOT$ represent chemical twins?

MHT CET 2020 All MHT CET

A
$Nb-Ta$
B
$Zr-Rf$
C
$Mo-W$
D
$Tc-Re$

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

The d- and f-Block Elements

Subtopic

General Characteristics

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Which of the following elements has the maximum first ionisation potential?

Which of the following is most paramagnetic?

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Among the following,the incorrect statement about transition metals is:

MediumTS EAMCET 2023

Assertion : $Cr(VI)$ in the form of dichromate in acidic medium is a strong oxidising agent whereas $MoO_3$ and $WO_3$ are not.
Reason : $Mo(VI)$ and $W(VI)$ are found to be more stable than $Cr(VI)$.

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The chloride of which of the following elements is coloured?

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