MCQ
Choose correct order
  • A
    Solubility $Be(OH)_2 < Ba(OH)_2$
  • B
    Thermal stability $LiOH < CsOH$
  • C
    Magnetic moment $O_2 > O_2^-$
  • All are correct

Answer

Correct option: D.
All are correct
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

Given are $E^o$ values for some half reactions

$I_2 + 2e^-\to 2I^-$  ;     $E^o = 0.54 \,V$

$MnO_4^-+ 8H^+ + 5e^-\to  Mn^{2+} + 4H_2O$  ;  $E^o = 1.52\, V$

$Fe^{3+} + e^-\to Fe^{2+}$ ;     $E^o = 0.77\, V$

$Sn^{4+} + 2e^-\to Sn^{2+}$ ;    $E^o = 0.1\, V$
The strongest reducant and oxidant respectively are :

Calculate solubility (in moles/litre) of a saturated aqueous solution of $Ag_3PO_4$ if the vapour pressure of the solution becomes $750\ torr$ at $373\ K$
A nucleoside on hydrolysis gives
The increasing order of stability of the following free radicals is
In the following sequence of reaction, the major
products B and C respectively are :

Image
Which of the following are non-reducing sugar.

$(I)$ Glucose             

$(II)$ Fructose

$(III)$ Maltose

$(IV)$ Sucrose

$(V)$ Galactose

If a mole of ${H_2}$ molecule is heated to high temperature the following reaction takes place
For the first order reaction $2 N _2 O _5( g ) \rightarrow 4 NO _2( g )+ O _2( g )$

$(A)$ the concentration of the reactant decreases exponentially with time.

$(B)$ the half-life of the reaction decreases with increasing temperature.

$(C)$ the half-life of the reaction depends on the initial concentration of the reactant

$(D)$ the reaction proceeds to $99.6 \%$ completion in eight half-life duration.

The half cell reaction involving quinhydrone electrode is 

If $E_{op}^o$ for this electrode is $1.30\,volt$ then what will be the oxidation electrode potential at $pH = 3$ ? .............. $\mathrm{volt}$

The variation of molar conductivity with concentration of an electrolyte $(X)$ in aqueous solution is shown in the given figure.

The electrolyte $X$ is :