MCQ
Which anion can undergo both oxidation and reduction?
- A$Cr_2O_7^{2-}$
- B$NO_3^-$
- C$OCl^-$
- ✓$S^{2-}$
✓
Answer
Correct option: D.
$S^{2-}$
d
All are oxyacid of chlorine
All are oxyacid of chlorine
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
Acidified permanganate solution does not oxidize
Which is the incorrect observation ?
Which of the following is Lewis acid
Calculate $\Lambda _{HOAc}^\infty $ using appropriate molar conductances of the electrolytes listed above at infinite dilution in ${H_2}O$ at $25\,^o\, C$
→|
Electrolyte : |
$KCl$ |
$KNO_3$ |
$HCl$ |
$NaOAc$ |
$NaCl$ |
|
$\Lambda ^\infty (Scm^2mol^{-1}) $: |
$149.9$ |
$145.0$ |
$426.2$ |
$91.0$ |
$126.5$ |
The specific conductance of solution depends upon -
Which of the following overlaps is incorrect (assuming $Z -$ axis is internuclear axis) ?
→$(A) \,2p_y +2p_y \to \pi-$ Bond formation
$(B) \,2p_x + 2p_x \to \sigma-$ Bond formation
$(C)\, 3d_{xy} + 3dp_{xy} \to \pi$ -Bond formation
$(D)\, 2s + 2p_y \to \pi-$ Bond formation
$(E)\, 3d_{xy} + 3d_{xy} \to \delta -$ Bond formation
$(F)\, 2p_s + 2p_s \to \sigma-$ Bond formation
Which of the following statements is incorrect ?
The chirality of the compound
In alkyl cyanide alkyl group attached with
The $pH$ of a $0.1\ M$ aqueous solution of a very weak acid $(HA)$ is $3$. What is its degree of dissociation ?......$\%$
→