MCQ
The relation between $\Delta G$ and $E$ for a cell is $\Delta G = - nFE$; the cell reaction will be spontaneous if
  • A
    $G$ is negative
  • B
    $G$ is positive
  • C
    $E$ is negative
  • $E$ is positive

Answer

Correct option: D.
$E$ is positive
(d)If $E = + ve$ than the cell reaction will be spontaneous.

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

Formic acid
Given below are two statements:
Statement (I): A solution of $\left[ Ni \left( H _2 O \right)_6\right]^{2+}$ is green in colour.
Statement (II): A solution of $\left[ Ni ( CN )_4\right]^{2-}$ is colourless.
In the light of the above statements, choose the most appropriate answer from the options given below:
You are given $500\, mL$ of $2\,N\, HCl$ and $500\, mL$ of $5\,N\, HCl$. What will be the maximum volume of $3\, M\, HCl$ that you can make from these two sotutions ? .............. $\mathrm{mL}$
Arrange the anions ${\rm{(p) }}\overline {\rm{C}} {{\rm{H}}_{\rm{3}}}{\rm{, (q) }}\overline {\rm{N}} {{\rm{H}}_{\rm{2}}}{\rm{, (r) O}}{{\rm{H}}^ - }{\rm{ , (s) }}{{\rm{F}}^ - }$ , in decreasing order of their basic strength.
Reduction of acetyl chloride with ${H_2}$ in presence of  $Pd$  gives
Number of unhybridised orbitals in vinyl acetylene are
The number of moles of proton which can be easily given by butyne  $-1$ (  $1 $ mole) is
The light yellow compound produced when acetone reacts with iodine and alkali, is
The $IUPAC$ name of the following compound is

$\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,} \\ 
  {\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,} \\ 
  {C{H_3} - C - C{H_2} - C - CN} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

Heat of formation in the reaction ${H_2} + C{l_2} \to 2HCl + 44\,kcal$ is .....$kcal$