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Explain chromyl chloride test.

Important Questions on p-Block Elements

EASY
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
Write with balanced equation, what happens when chlorine gas is passed into aqueous solution of sulphur dioxide.
HARD
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
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 _______________.
EASY
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
Which of the following reactions represent the Deacon's process?
MEDIUM
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
Mention two differences between bleaching action of SO2 and Cl2.
MEDIUM
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties

What is the action of Cl2 on cold and dilute NaOH ?

EASY
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
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.
HARD
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
The decreasing order of reactivity towards dehydrohalogenation E1 reaction of the following compounds is:
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MEDIUM
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties

Which of the following is obtained commercially by electrolysis of an aqueous solution of its compound ?

MEDIUM
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
When chlorine is treated with turpentine oil, the product form will be:
EASY
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
Extraction of chlorine from brine solution is based on
MEDIUM
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
When chlorine reacts with cold and dilute solution of NaOH, the products obtained are
HARD
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
A gas 'X' is passed through water to from a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The saturated aqueous solution also dissolves magnesium ribbon with evolution of a colourless gas ' Y ' . Identify ' X ' and ' Y '
MEDIUM
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
When chlorine is treated with hot and concentrated alkalies, the product form will be:
MEDIUM
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
Cl 2 g + Ba OH 2 ⟶ X a q . + BaCl 2 + H 2 O

X + H 2 SO 4 ⟶ Y + BaSO 4

Y ⟶ Δ > 3 6 5 K Δ Z + H 2 O + O 2

Y and Z are respectively
EASY
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
In the extraction of chlorine by electrolysis of brine,
MEDIUM
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
_____ is used as a promoter in Deacon's process.
HARD
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
What oxidation state of Cl is observed, when Cl2 reacts with hot and concentrated NaOH solution?
EASY
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
Cl2 reacts with hot aqueous NaOH to give:
EASY
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
A greenish yellow gas reacts with an alkali metal hydroxide to form a halate which can be used in fireworks and safety matches. The gas and halate, respectively are:
HARD
Chemistry>Inorganic Chemistry>p-Block Elements>Chlorine: Preparation and Properties
Chlorine does not react with: