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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Give two uses of ClO2.

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प्रश्न

Give two uses of ClO2.

लघु उत्तर
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उत्तर

  1. ClO2 is used as a bleaching agent for paper pulp and textiles.
  2. It is also used in water treatment.
  3. CIO2 is an effective chlorinating and oxidising agent. It is therefore applied to the treatment of water.
  4. It is an excellent bleaching agent and is used for bleaching paper pulp and textiles.
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पाठ 7: Elements of Groups 16, 17 and 18 - Exercises [पृष्ठ १६३]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 7 Elements of Groups 16, 17 and 18
Exercises | Q 2. iv. | पृष्ठ १६३

संबंधित प्रश्‍न

In interhalogen compounds, which of the following halogens is never the central atom?


Complete the following.

\[\ce{XeOF4 + H2O -> \underline{}\underline{}\underline{}\underline{} + HF}\]


Match the following:

A B
XeOF2 Xenon trioxydifluoride
XeO2F2 Xenon monooxydifluoride
XeO3F2 Xenon dioxytetrafluoride
XeO2F4 Xenon dioxydifluoride

What is the oxidation state of xenon in the following compounds?

XeOF4, XeO3, XeF6, XeF4, XeF2.


Fluorine shows only –1 oxidation state while other halogens show –1, +1, +3, +5 and +7 oxidation states. Explain.


Answer the following.

Distinguish between rhombic sulfur and monoclinic sulfur.


How is SO2 prepared in the laboratory from sodium sulfite?


Write the order of ionic character of halides with monovalent metal (M).


Identify the properties of group 17 elements that show decreasing trend down the group.

i. Atomic radius

ii. Ionisation enthalpy

iii. Electronegativity


What is the highest oxidation state possessed by phosphorus in it's oxyacids?


What is the oxidation state of sulfur in the product formed?

\[\ce{S + \underset{(Conc.)}{2H2SO4} ->}\]


The oxidation state of sulphur in H2S2Ois ______.


Which is the lowest oxidation state possessed by chlorine in it's oxyacids?


Which of the following oxyacid of chlorine is thermally least stable?


The maximum positive oxidation state shown by halogen is ______.


What is the highest oxidation state possessed by chlorine in its oxyacids?


What is the action of selenium on magnesium metal?


The most stable +2 oxidation state is exhibited by ______.


Which halide of magnesium has highest ionic character?


What is the highest oxidation state exhibited by group 17 elements?


Among the trihalides of nitrogen which one is the most basic?


Consider the following reaction.

I. \[\ce{Na2B4O7 ->[760° C] {...A...} + B2O3}\]

II. \[\ce{Si + KOH + H2O ->{...B...} + H2\uparrow}\]

III. \[\ce{P2O5 + HNO3 -> HPO3 + {...C...}}\]

IV. \[\ce{NH3 + Cl2(excess) -> {...D...} + HCl}\]

Identify the missing products of the given reactions.


Explain reactivity of halogens towards oxygen.


What is the action of hydrochloric acid on the following?

Na2CO3


What is the action of H2 on elements of group 17?


What is the action metal on elements of group 17?


Arrange the following in the increasing order of the property mentioned:

\[\ce{HOCl}\], \[\ce{HClO2}\], \[\ce{HClO3}\], \[\ce{HClO4}\] (acidic strength)


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