MCQ
Identify the correct option
  • A
    $V_2O_5$ reacts with alkalies as well as acids
  • B
    In Misch metal $S, C, Ca$ and $Al$ present in traces amount with $Ce$
  • C
    $2C{u^ + }\xrightarrow{{aq.}}C{u^ + }^2 + Cu$
  • All of the above are correct

Answer

Correct option: D.
All of the above 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

The $pH$ of $0.01\; M \;NaOH (aq)$ solution will be
Which product is obtained when bleaching powder is distilled with acetone :
In the chemical reaction between stoichiometric quantities of $KMnO _4$ and $KI$ in weakly basic solution, what is the number of moles of $I _2$ released for $4$ moles of $KMnO _4$ consumed ?
The lanthanide contraction is responsible for the fact that
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$ : Assertion $A:$ The first ionisation enthalpy decreases across a period.

Reason $R:$ The increasing nuclear charge outweighs the shielding across the period.

In the light of the above statements, choose the most appropriate from the options given below:

In weak electrolytic solution, degree of ionization
The mass of sodium acetate $\left(\mathrm{CH}_3 \mathrm{COONa}\right)$ required to prepare $250 \mathrm{~mL}$ of $0.35\  \mathrm{M}$ aqueous solution is ____$g$. (Molar mass of $\mathrm{CH}_3 \mathrm{COONa}$ is $82.02 \mathrm{~g} \mathrm{~mol}^{-1}$ )
The denticity of an organic ligand, biuret is :
A solution containing $10 \mathrm{~g}$ of an electrolyte $\mathrm{AB}_2$ in $100 \mathrm{~g}$ of water boils at $100.52^{\circ} \mathrm{C}$. The degree of ionization of the electrolyte $(\alpha)$ is............ $\times 10^{-1}$.

(nearest integer)

[Given : Molar mass of $\mathrm{AB}_2=200 \mathrm{~g} \mathrm{~mol}^{-1} \cdot \mathrm{K}_{\mathrm{b}}$

(molal boiling point elevation const. of water)

$=0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$, boiling point of water $=100^{\circ} \mathrm{C}$;

$\mathrm{AB}_2$ ionises as $\left.\mathrm{AB}_2 \rightarrow \mathrm{A}^{2+}+2 \mathrm{~B}^{-}\right]$

$R - X + NaOH\xrightarrow{{}}ROH + NaX$

The above reaction is classified as