Tag: chemical from common salt

Questions Related to chemical from common salt

Available chlorine can be liberated from bleaching powder by the reaction with:

$conc.H _{2}SO _{4}$
$dil. H _{2}SO _{4}$
$CO _{2}$
$dil. HNO _{3}$

On long standing, bleaching powder undergoes auto oxidation.

chemistry substances in common use chemical from common salt compounds of carbon some useful compounds in everyday life

True
False

Substance $X$:
(I) reacts with $H _2S$ to produce white turbidity.
(II) changes light green solution of $FeSO _4$ into yellow colour.
(III) reacts with moisture to give pungent smelling gas.
Hence $X$ is:

chemistry substances in common use chemical from common salt compounds of carbon some useful compounds in everyday life

$KMnO _4$
$K _2Cr _2O _7$
$SO _2$
$CaOCl _2$

The bleaching property of chlorine water is due to:

chemistry substances in common use chemical from common salt compounds of carbon some useful compounds in everyday life

formation of nascent oxygen
formation of nascent chlorine
formation of ${O} _{3}$
reducing property of ${Cl} _{2}$

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