MEDIUM
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 How many interhalogen compounds are more reactive than halogens except fluorine?
(CN)2,N3-,KI3,ClF,ClF3,ClF5,IF7

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Important Questions on Elements of Groups 16, 17 and 18

MEDIUM

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


CaOH2+Cl2B+side products
dry

EASY
In the structure of  ClF3, the number of lone pairs of electrons on central atom 'Cl' is
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
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.
EASY
Amongst the following interhalogen compounds which one is used for the production of UF6 during U235 enrichment process?
MEDIUM
Number of Cl=O bonds in chlorous acid, chloric acid and perchloric acid respectively are:
HARD
Chlorine reacts with hot and concentrated NaOH and produces compounds X and Y. Compound X gives white precipitate with silver nitrate solution. The average bond order between Cl and O atoms in Y is _______________.