MCQ
Find exothermic reaction
  • A
    $F_{\left( g \right)}^ -  \to {F_{\left( g \right)}} + {e^ - }$
  • B
    $B{e_{\left( g \right)}} + {e^ - } \to Be_{\left( g \right)}^ - $
  • ${O_{\left( g \right)}} + {e^ - } \to O_{\left( g \right)}^ - $
  • D
    ${O_{\left( g \right)}} + 2{e^ - } \to O_{\left( g \right)}^{ - 2}$

Answer

Correct option: C.
${O_{\left( g \right)}} + {e^ - } \to O_{\left( g \right)}^ - $
c

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

Identify $'X'$ in the following sequence of reaction

(image) $\xrightarrow[{KCN}]{{CuCN}}P\xrightarrow{{LiAl{H_4}}}Q\xrightarrow{{HN{O_2}}}X$

The electronic configuration of an element $'M'$ is given below $M:1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}3{d^{10}}4{s^2}4{p^6}4{d^{10}}4{f^2}5{s^2}5{p^6}5{d^{10}}5{f^0}6{s^2}.$ Choose the correct information regarding the element $M$ for its period number, block and group number respectively
For a certain reaction, the rate $=k[A]^2[B]$. When the initial concentration of A is doubled and initial concentration of B is tripled, the initial rate would:
Consider the given reaction:

$CH_3-CH=CH-CH_2-OH$ $\xrightarrow[{{S}_{{{N}^{1}}}}]{HBr}$ $[P]$

In the given reaction the product $[P]$ is :

Among the compounds shown below which one revealed a linear structure?
Dilute one litre $1\,molar$  ${H_2}S{O_4}$ solution by $5\,litre$ water, the normality of that solution is ....... $N$
According to Bohr's theory,

$\mathrm{E}_{\mathrm{n}}=$ Total energy, $\mathrm{K}_{\mathrm{n}}=$ Kinetic energy, $\mathrm{V}_{\mathrm{n}}=$ Potential energy , $\mathrm{r}_{\mathrm{n}}=$ Radius of $\mathrm{n}^{\text {th }}$ orbit

Match the following:

Column $I$ Column $II$
$(A)$ $\mathrm{V}_{\mathrm{n}} / \mathrm{K}_{\mathrm{n}}=$ ? $(P)$ $0$
$(B)$ If radius of $n^{\text {th }}$ orbit $\propto E_n^x, x=$ ? $(Q)$ $-1$
$(C)$ Angular momentum in lowest orbital $(R)$ $-2$
$(D)$ $\frac{1}{\mathrm{r}^{\mathrm{n}}} \propto \mathrm{Z}^{\mathrm{y}}, \mathrm{y}=$ ? $(S)$ $1$
For a first order reaction, the ratio of the time for $75 \,\%$ completion of a reaction to the time for $50\, \%$ completion is .... . (Integer answer)
An organiccompound $C_4H_6$ on ozonolysis give $HCHO,CO_2, CH_3CHO$. Compound will be
The de Broglie wavelength of a tennis ball of $60\, g$ moving with a velocity of $10$ meters per second is approximately