MCQ
$p$ will be
- A
- ✓
- C
- Dmixture of $(a)$ and $(b)$
✓
Answer
Correct option: B.
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of following will gives phenol with $O_2$ in presence of acid catalyst ?
→What is the isomerism between the complexes $\left[ Co \left( NH _3\right) Br \right] SO _4$ and $\left[ Co \left( NH _3\right)_3 SO _4\right] Br$ ?
→What is the product obtained in the following reaction ?
Under the influence of electric field, which of the following statements is true about the movement of electrons and holes in a $p-$type semi conductor?
$a.$ Electron will move towards the positvely charged plate through electron holes.
$b.$ Holes will appear to be moving towards the negatively charged plate.
$c.$ Both electrons and holes appear to move towards the positively charged plate.
$d.$ Movement of electrons is not related to the movement of holes.
→$a.$ Electron will move towards the positvely charged plate through electron holes.
$b.$ Holes will appear to be moving towards the negatively charged plate.
$c.$ Both electrons and holes appear to move towards the positively charged plate.
$d.$ Movement of electrons is not related to the movement of holes.
The velocity constant of a reaction is $K.$ Which of the following statements is not true regarding $K$
→For an electrochemical cell
→$\mathrm{Sn}(\mathrm{s})\left|\mathrm{Sn}^{2+}(\mathrm{aq}, 1 \mathrm{M}) \| \mathrm{Pb}^{2+}(\mathrm{aq}, 1 \mathrm{M})\right| \mathrm{Pb}(\mathrm{s})$
the ratio $\frac{\left[\mathrm{Sn}^{2+}\right]}{\left[\mathrm{Pb}^{2+}\right]}$ when this cell attains equilibrium is
(Given $\mathrm{E}_{\mathrm{Sn}^{2+} / \mathrm{Sn}}^{0}=-0.14 \mathrm{\;V}$ $\left.\mathrm{E}_{\mathrm{Pb}^{+2}/{\mathrm{Pb}}}^{0}=-0.13 \;\mathrm{V}, \frac{2.303 \mathrm{RT}}{\mathrm{F}}=0.06\right)$
Amphoteric oxide(s) of $Mn$ is/are
→Noradrenaline is one of the example of:
Standard electrode potentials are given
→$A^+/A = \,-\,2.93\, Volt$, $B^+/B = 0.80\,V$
$C^{+2}/C = \,-\,2.37\, Volt$, $D^{+3}/D = \,-\,0.74\,V$
Increasing order of reducing power of these metals
Among the following the weakest base is