Download App

7. Redox reactions — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry7. Redox reactions1 Mark
MCQ
The oxidation number of sulphur in ${H_2}S{O_4}$ is
  • A
    $-2$
  • B
    $+2$
  • C
    $+4$
  • ✓
    $+6$
✓

Answer

Correct option: D.
$+6$
(d)$\mathop {{H_2}S{O_4}}\limits^ * $

$2 + x - 2 \times 4 = 0$, $x = 8 - 2 = + 6$.

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

Explore more

More "M.C.Q (1 Marks)" from 7. Redox reactions→7. Redox reactions — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

One sample of atmospheric air is found to have $0.03\%$ of carbon dioxide and another sample $0.04\%$. This is evidence that
→
$\mathrm{H}_3 \mathrm{PO}_2$ is:
→
In benzene, carbon uses $ ........ p-$ orbitals for hybridization.
→
Assertion : Absolute values of internal energy of substances cannot be determined.
Reason : It is impossible to determine exact values of constituent energies of the substances.
→
The reaction of propene with $HOCl$ proceeds via the addition of
→
The energy required to release $ 1$  electron from $H{e^ + }$ is ............ $\mathrm{eV}$
→
Which is the lowest energy conformation of butane ?
→
When electron jumps from $N$ shell to $L$ shell, the energy is :
→
$KMnO_4$ can be prepared from $K_2MnO_4$ as per the reaction,

$3MnO_4^{2-} + 2H_2O \rightleftharpoons  2MnO_4^- + MnO_2 + 4OH^-$

The reaction can go to completion by removing $OH^-$ ions by adding

→
Which of the following chemical has more toxic effect when used for the purpose of dry cleaning of clothes?
→