Consider the following statements , `(I)` Amongst `HCl,HBr,HI` and `HOCl,HCl` is most stable to heat. `(II)` Chlorine gas if evolved when potassium ch

Question

Consider the following statements , `(I)` Amongst `HCl,HBr,HI` and `HOCl,HCl` is most stable to heat. `(II)` Chlorine gas if evolved when potassium ch

Consider the following statements ,
`(I)` Amongst `HCl,HBr,HI` and `HOCl,HCl` is most stable to heat.
`(II)` Chlorine gas if evolved when potassium chloride reacts with iodine.
`(III)` The basicity of `F^(-),Cl^(-),Br^(-)` , and `I^(-)` follows the order `F^(-)gt Cl^(-) gtBr^(-) gtI^(-)`
`(IV)` Sodium hypochlorite is used as bleaching and sterilising agent of these,
A. `(I),(II),` and `(III)` are correct
B. `(I),(II)`, and `(IV)` are correct
C. `(I),(III)`, and `(IV)` are correct
D. All of these

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Correct Answer - 3
`(I)HCl` because of high bond enthalpy of it.
`(II)2KCIO_(3)+I_(2)rarr 2KIO_(3)+Cl_(2)`
`(III)` Correct order , `F^(-)` because of high electron density on account of small size easily donate the electron pair, is strongest base.
`(IV)` It is used as bleaching as well sterilising agent ( as it acts strong oxidising agent ).