Question
Standard electrode potential of $SHE$ at $298\, K$ is ............. $\mathrm{volt}$

Answer

At $298 \,K$ standard electrode potential of $SHE$ electrode is assumed to be $0.00\, V$

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

Total number of isomeric compounds (including stereoisomers) formed by monochlorination of $2-$methylbutane is................ 
Oxidation state of sulphur in tetrathionic acid is
The reaction of cyanamide, $NH _{2} CN _{( s )}$ with oxygen was run in a bomb calorimeter and $\Delta U$ was found to be $-742.24\, kJ\, mol ^{-1}$. The magnitude of $\Delta H _{298}$ for the reaction

$NH _{2} CN _{( s )}+\frac{3}{2} O _{2}( g ) \rightarrow N _{2( g )}+ O _{2}( g )+ H _{2} O _{(l)}$

is ............ $kJ$. (Rounded off to the nearest integer)

[Assume ideal gases and $\left. R =8.314\, J\, mol ^{-1} K ^{-1}\right]$

Among $\mathrm{H}_2, \mathrm{He}_2^{+}, \mathrm{Li}_2, \mathrm{Be}_2, \mathrm{~B}_2, \mathrm{C}_2, \mathrm{~N}_2, \mathrm{O}_2^{-}$, and $\mathrm{F}_2$, the number of diamagnetic species is (Atomic numbers: $\mathrm{H}=1, \mathrm{He}=2, \mathrm{Li}=3, \mathrm{Be}=4, \mathrm{~B}=5, \mathrm{C}=6, \mathrm{~N}=7, \mathrm{O}=8, \mathrm{~F}=9$ )
The number of paramagnetic species among the following is$......$

$B _{2}, Li _{2}, C _{2}, C _{2}^{-}, O _{2}^{2-}, O _{2}^{+}$and $He _{2}^{+}$

An elements in $+3$ oxidation state has the electronic configuration $(Ar)3{d^3}$. Its atomic number is
Total number of isomers, considering both structural and stereoisomers, of cyclic ethers with the molecular formula $C _4 H _8 O$ is. . . . . .
To deposit one litre of hydrogen at $22.4$ atmosphere from acidulaled water, the quantity of electricity that must pass through is ............. $\mathrm{coulomb}$
The vapour pressure of acetone at $20\,^oC$ is $185\,torr.$ When $1.2\,g$ of a non-volatile substance was dissolved in $100\,g$ of acetone at $20\,^oC,$ its vapour pressure was $183\,torr.$ The molar mass $(g \,mol^{-1})$ of the substance is :
Dichromate ion is treated with base, the oxidation number of $Cr$ in the product formed is .... .