MCQ
Which of the following order is correct
  • A
    $Cr^{+2} > Fe^{+2}$ : Reducing character
  • B
    $Mn^{+3} > Cr^{+3}$ : Oxidising character
  • C
    $WO_3 > CrO_3$ : Stability order
  • All of these

Answer

Correct option: D.
All of these
d

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Assertion : Silicones are hydrophobic in nature.

Reason : $Si -O -Si$ linkages are moisture sensitive.

Which of the following hydrides are ionic
The number of meso form of the given compound is

$\begin{array}{*{20}{c}}
  {C{H_3} - CH - CH - CH - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,OH\,\,\,\,\,OH\,\,} 
\end{array}$

Bohr model of atom is contradicted by
All the energy released from the reaction $X \rightarrow Y \cdot \Delta_{ T } G ^0=-193 \ kJ \ mol ^{-1}$ is used for oxidizing $M ^{+}$as $M ^{+} \rightarrow M ^{3+}+2 e ^{-}, E ^0=-0.25 \ V$.

Under standard conditions, the number of moles of $M ^{+}$oxidized when one mole of $X$ is converted to $Y$ is $\left[ F =96500 \ C \ mol ^{-1}\right]$

In the gaseous equilibrium ${H_2}{X_2} + $ heat  $\rightleftharpoons$  $2HX$, the formation of $HX$ will be favoured by
If magnetic quantum number of a given atom represented by $-3$, then what will be its principal quantum number
The maximum wavelength of radiation that can ionise a sodium atom is $2414 \,\mathop A\limits^o .$ The ionisation energy of sodium per mole shall be
Which of the following order of atomic radius is not wrong
The reaction    $\mathop {\mathop {\mathop {\mathop {C{H_3} - C - C{H_3}}\limits^{\,|} }\limits^{\,\,\,\,\,\,\,C{H_3}} }\limits_{|\,} }\limits_{OH}     \xrightarrow{H_2SO_4}   \mathop {\mathop {C{H_3} - C = C{H_2}}\limits^{\,|} }\limits^{\,\,\,\,\,\,\,C{H_3}} $   is the example of