EASY
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Assertion: In general, inter halogen compounds are more reactive than halogens (exclude fluorine) because
Reason: X-X ' (different halogen) in inter halogens is weaker than X-X bond in halogens.

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Important Questions on The p-Block Elements

MEDIUM
Select the correct option(s) for the following statements:

1. Cl2O and ClO2 are used as bleaching agents.

2. OCl- salts are used as detergents.

3. OCl- disproportionates in alkaline medium.

4. BrO3- is oxidized in acidic medium.
MEDIUM
Which of the following oxyacid of chlorine has highest thermal stability?
MEDIUM
Arrange the following oxoacids of chlorine in their decreasing acidic character.
EASY
Name the gaseous products from the following A and B reactions, respectively.
A. Hydrochloric acid is added to sodium sulphide.
B. Concentrated sulphuric acid is added to a mixture of sodium chloride and manganese dioxide.
MEDIUM

In the following reactions, products A and B , respectively, are:
NaOH+Cl2A+side products
hot and conc.


CaOH2+Cl2B+side products
dry

MEDIUM
Number of Cl=O bonds in chlorous acid, chloric acid and perchloric acid respectively are:
EASY
Amongst the following interhalogen compounds which one is used for the production of UF6 during U235 enrichment process?
MEDIUM
Which one of the following correctly represents the order of stability of oxides, X2O; (X= halogen ) ?
EASY
The correct order of decreasing acid strength among the following acids is
EASY
In the structure of  ClF3, the number of lone pairs of electrons on central atom 'Cl' is