मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान इयत्ता ११

Which of the following equation depicts reducing nature of HX2OX2?

Advertisements
Advertisements

प्रश्न

Which of the following equation depicts reducing nature of \[\ce{H2O2}\]?

पर्याय

  • \[\ce{2[Fe(CN)6]^{4-} + 2H^{+} + H2O2 -> 2[Fe(CN)6]^{3-} + 2H2O}\]

  • \[\ce{I2 + H2O2 + 2OH^{-} -> 2I^{-} + 2H2O + O2}\]

  • \[\ce{Mn^{2+} + H2O2 -> Mn^{4+} + 2OH-}\]

  • \[\ce{PbS + 4H2O2 -> PbSO4 + 4H2O}\]

MCQ
Advertisements

उत्तर

\[\ce{I2 + H2O2 + 2OH^{-} -> 2I^{-} + 2H2O + O2}\]

Explanation:

As iodine is reduced from 0 to –1.

shaalaa.com
Physical Properties of Water
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 9: Hydrogen - Multiple Choice Questions (Type - I) [पृष्ठ ११४]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 11
पाठ 9 Hydrogen
Multiple Choice Questions (Type - I) | Q 9 | पृष्ठ ११४

संबंधित प्रश्‍न

Describe the usefulness of water in biosphere and biological systems.


Why is it said that-

Water is a universal solvent.


Why is it said that-

There is no alternative to water for cleaning purposes.


Explain the various properties of water.


Why is the density of seawater more than that of rain water?


Which of the following equations depict the oxidising nature of \[\ce{H2O2}\]?


Some of the properties of water are described below. Which of them is/are not correct?

(i) Water is known to be a universal solvent.

(ii) Hydrogen bonding is present to a large extent in liquid water.

(iii) There is no hydrogen bonding in the frozen state of water.

(iv) Frozen water is heavier than liquid water.


If same mass of liquid water and a piece of ice is taken, then why is the density of ice less than that of liquid water?


Give reasons: Lakes freeze from top towards bottom.


Give reasons: Ice floats on water.


Explain why \[\ce{HCl}\] is a gas and \[\ce{HF}\] is a liquid.


The boiling point of water increases with ______ in pressure.


Pure water boils at ______ °C at one atmospheric pressure.


One gram of water requires ______ of heat to raise its temperature by l°C.


What is the taste of distilled water & boiled water?


The density of gold is 19 g/cm3. If 1.9 × 10−4 g of gold is dispersed in one litre of water to give a sol having spherical gold particles of radius 10 nm, the number of gold particles per mm3 of the sol will be ______ × 106.


The water having more dissolved O2 is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×