MCQ
Reduction involves
  • A
    Loss of electrons
  • Gain of electrons
  • C
    Increase in the valency of positive part
  • D
    Decrease in the valency of negative part

Answer

Correct option: B.
Gain of electrons
(b) It is the process in which electrons are gained (electronation).

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

Which of the following complex has zero magnetic moment (spin only)?
The correct structure of tribromooctaoxide is
Rank the hydrogen atoms $(H_a, H_b, H_c)$ present in the following molecule in decreasing  order of their acidic strength.
Product of the reaction is 
$CH_3-CH_2-NH-CHO$ and $\begin{array}{*{20}{c}}
{C{H_3} - CH - CHO}\\
{|\,\,\,\,\,\,}\\
{\,\,\,\,N{H_2}\,\,\,\,}
\end{array}$ are
The magnetic quantum number $m_l$ is fixed by the azimuthal quantum number, $l.$ If $l= 2,$ the type and number of the orbitals indicated by
$16.25\, g$ metal chloride is obtained on complete conversion of $8\,g$ metal oxide into metal chloride then what will be the equivalent weight of metal
Match the thermodynamic processes given under Column $I$ with the expression given under Column $II$:
Column $I$ Column $II$
$(A)$ Freezing of water at $273 K$ and $1 \ atm$ $(P)$ $q =0$
$(B)$ Expansion of $1 \ mol$ of an ideal gas into a vacuum under isolated conditions $(Q)$ $w=0$
$(C)$ Mixing of equal volumes of two ideal gases at constant temperature and pressure in an isolated container $(R)$ $\Delta S _{\text {sy5 }} < 0$
$(D)$ Reversible heating of $H _2( g )$ at $1 \ atm$ from $300 \ K$ to $600 \ K$, followed by reversible cooling to $300 \ K$ at $1 \ atm$ $(S)$ $\Delta U =0$
  $(T)$ $\Delta G =0$
Sodium nitroprusside when reacts with solution of $Na_2S$, produces
The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter noble gases are due to weak dispersion forces between the atoms and the absence of other interatomic interactions.

The direct reaction of xenon with fluorine leads to a series of compounds with oxidation numbers $+2,+4$ and $+6$ . XeF $4$ reacts violently with water to give $\mathrm{XeO}_3$. The compounds of xenon exhibit rich stereochemistry and their geometries can be deduced considering the total number of electron pairs in the valence shell.

$1.$ Argon is used in arc welding because of its

$(A)$ low reactivity with metal 

$(B)$ ability to lower the melting point of metal

$(C)$ flammability 

$(D)$ high calorific value

$2.$  The structure of $\mathrm{XeO}_3$ is

$(A)$ linear  $(B)$ planar  $(C)$ pyramidal  $(D)$ $T$-shaped

$3.$  $\mathrm{XeF}_4$ and $\mathrm{XeF}_6$ are expected to be

$(A)$ oxidizing  $(B)$ reducing  $(C)$ unreactive  $(D)$ strongly basic

Give the answer question $1,2$ and $3.$