Important Compounds of Group 16 Elements

IMPORTANT

Important Compounds of Group 16 Elements: Overview

This topic covers concepts, such as Important Compounds of Group 16 Elements, Dioxygen, Preparation of Dioxygen, Properties of Dioxygen, Uses of Dioxygen, Simple Oxides, Ozone, Preparation of Ozone, Properties of Ozone, Uses of Ozone, etc.

Important Questions on Important Compounds of Group 16 Elements

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 1

The number of S=O groups present in the structure of Oleum is

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 2

Favourable conditions for the high production of SO3 by catalytic oxidation of SO2 with O2 which is the key step in the Contact process of manufacture of H2SO4 are

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 3

Consider the following statements for sodium thiosulphate:
(1) Sodium thiosulphate forms Na2SO4 with chlorine
(2) Sodium thiosuphate reacts with iodine to give sodium tetra thionate Na2 S4O6 instead of Na2SO4
(3) It is used as fixer in black & white photography
(4) It is used as a volumetric reagent in the iodometric and iodimetric titrations
Of these, the correct statements are:

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 4

The acid which has peroxy linkage is 

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 5

Sulphuric acid is

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 6

In the thermal decomposition of potassium chlorate XKClO3→∆YKCl+ZO2, the correct order of X, Y, and Z is-

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 7

_____ gas is evolved in the thermal decomposition of potassium chlorate.

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 8

The products formed in the thermal decomposition of potassium chlorate in the presence of a catalyst are:

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 9

On addition of concentrated H2SO4 to a chloride salt, colourless fumes are evolved but in case of an iodide salt, violet fumes come out. This is because

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 10

Moist hydrogen cannot be dried over concentrated H2SO4 because it:

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 11

Industrially sulphuric acid is manufactured by-

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 12

Common name of concentrated sulphuric acid is-

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 13

When _____ solution is added in potassium sulphate solution a _____ precipitate  is formed.

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 14

The acid, which does not contain peroxy linkage, is

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 15

Identify a neutral oxide from the following oxides.

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 16

Bleaching action of SO2 is due to :

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 17

Moist hydrogen cannot be dried over concentrated H2SO4 because it:

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 18

Which of the following reactions is incorrect?

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 19

Ozone is prepared by passing silent electric discharge through oxygen. In this reaction:

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Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements> Q 20

Which of the following is used as disinfectant?