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Which of the following statement is wrong?

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Important Questions on The p-Block Elements

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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The oxoacid of sulphur that does not contain bond between sulphur atom is:
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The number of S=O and S-OH bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are:
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The element that combines with oxygen to give an amphoteric oxide is-
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Which of the following oxoacid of sulphur has –O–O– linkage?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
In preparation of sulphuric acid from Sulphur dioxide in lead chamber process. What substance is used as a catalyst?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The statement that is not true about ozone is :
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
In which pair of ions do both the species contain S-S bond?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements

Which of the following statements is correct?

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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
When SO2 gas is passed through aqueous Na2CO3, the product(s) formed is(are):
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Which one of the following is an oxide?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
On electrolysis of dil. sulphuric acid using Platinum Pt electrode, the product obtained at anode will be
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Nitrogen dioxide and sulphur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The structure of Marshall's acid among the following is:
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The catalyst used in the Contact Process is 
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements

O3+2KI aq⟶?

Product of the reaction is

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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Which of the following is used as disinfectant?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Oxidation state of S in H2S2O8 is
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The correct sequence of decreasing number of π -bonds in the structure of H2SO3, H2SO4 and H2S2O7 is:
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The shape of SCl4 is best described as a
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Which of the following is wrong statement?