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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write Structure and Molecular Formula for the Following Compounds: A. Orthophosphoric Acid B. Sulphurous Acid - Chemistry

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प्रश्न

Write structure and molecular formula for the following compounds:
a. Orthophosphoric acid 
b. Sulphurous acid

टीपा लिहा

उत्तर

a. Orthophosphoric acid:
Molecular formula: H3PO4
Structural formula: 
\[\begin{array}{cc}
\phantom{..}\ce{O}\\
\phantom{..}||\\
\phantom{..}\ce{P}\\
\phantom{..}/\phantom{...}|\phantom{...}\backslash\\
\phantom{.}\ce{OH}\phantom{...}\ce{OH}\phantom{...}\ce{OH}\\
\end{array}\]

b. Sulphurous acid:
Molecular formula: H2SO3
Structural formula: 
\[\begin{array}{cc}
\phantom{..}\ce{O}\\
\phantom{..}||\\
\phantom{..}\ce{HO - \underset{^{..}}{S} - OH}\\
\end{array}\]

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2017-2018 (July) Set 1

संबंधित प्रश्‍न

Complete the following equations: CaF2+H2SO4 


Complete the following equations: C + conc. H2SO4


Draw the structure of the following:

H2SO4


Describe the manufacture of H2SO4 by contact process?


What is the action of concentrated sulphuric acid on phosphorous pentachloride


What happens when dilute sulphuric acid is treated with Fe


What happens when dilute sulphuric acid is treated with CaF2


What is the action of concentrated sulphuric acid on copper


What is the action of concentrated sulphuric acid on potassium chlorate?


When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas (A) was evolved. This gas intensified when copper turnings were added to this test tube. On cooling, the gas (A) changed into a colourless solid (B).

1) Identify (A) and (B).

2) Write the structures of (A) and (B).

3) Why does gas (A) change to solid on cooling?


Give balanced chemical equations for Sulphuric acid is treated with hydrogen sulphide


Write chemical reactions for different steps in the manufacture of sulphuric acid by lead chamber process. Draw the structure of phosphorous pentachloride


 Complete and balance the following equations: 
S+H2SO4(conc.)  → 


Write the formula for pentaamminechlorocobalt (III) sulphate. 


Which of the following reaction is NOT involved in contact process used for manufacturing sulfuric acid?


Identify the products formed when conc. sulfuric acid reacts with calcium fluoride.


Gas 'X' is prepared by treating sodium sulfite with dilute sulfuric acid. When gas 'X' is oxidised by dioxygen in presence of vanadium (V) oxide, gas 'Y' is formed. Identify X and Y.


Which among the following catalysts is used in manufacture of sulphuric acid by contact process?


In the manufacture of sulphuric acid by contact process Tyndall box is used to ____________.


The oxidation number of sulphur in Na2S4O6 is:-


The number of dative bonds in sulphric acid molecule is ______.


What is the catalyst used for the oxidation of SO2 to SO3 in the lead chamber process for the manufacture of sulphuric acid?


Write the reaction of conc. H2SO4 with sugar. What is the role of H2SO4 in this reaction?


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