Download App

Redox Reactions — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryRedox Reactions2 Marks
Question
What happens when I2 is titrated with sodium thio sulphate (hypo) solution? Write chemical equation.
✓

Answer

Sodium tetrathionate and sodium iodide is formed, both are colourless.
$\text{I}_2+2\text{Na}_2\text{SO}_3\xrightarrow{ \ \ \ \ \ \ }2\text{NaI}+\text{Na}_2\text{S}_4\text{O}_6$

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 "2 Marks Questions" from Redox Reactions→Redox Reactions — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Out of Cu2+, Fe2+ and Cr3+, which ion is most paramagnetic and why?
→
Describe the theory associated with the radius of an atom as it.
Gains an electron.
→
The diameter of zinc atom is $2.6 Å$. Calculate (a) radius of zinc atom in pm and (b) number of atoms present in a length of 1.6 cm if the zinc atoms are arranged side by side lengthwise.
→
The enthalpy of reaction for the reaction : $2\text{H}_2(\text{g})+\text{O}_2(\text{g})\rightarrow2\text{H}_2\text{O}(\text{l})\ \text{is}\ \Delta_\text{r}\text{H}^\ominus=-572\text{kJ}\ \text{mol}^{-1}$
What will be standard enthalpy of formation of H2O (l)?
→
Which of the following has larger bond angle in each pair?
  1. CO2, BF3
  2. NH3,CH4
  3. H2O, H2S
  4. SiF4, C2H2
→
Write IUPAC name of following compounds :
(i) 1, 3-diethyl-2, 3-dimethylbutane
(ii) 2-ethyl-3-isobutylpentane
(iii) 2, 5-diisopropylhexane
(iv) 1, 1-dimethyl-2, 2-diethylpropane
→
Calculate the number of atoms in the following:
52u of He.
→
How much potassium chlorate should be heated to produce 2.24 L of oxygen at NTP?
→
Write stock notation of MnO2 and AuCl3.
→
Write formula for the following compound:

Tin(IV) oxide.

→