Home
Class 12
CHEMISTRY
(a)When HCI reacts with finely powdered ...

(a)When HCI reacts with finely powdered iron , it forms ferrous chloride and not ferric chloride. Why ?
(b) Chlorine water tuns blue litmus red but solution becomes colourless after sometime.

Text Solution

Verified by Experts

`Fe+2HCl to FeCl_(2)+H_(2)`
Liberation of `H_(2)` prevents the formation of `FeCl_(3)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • THE P-BLOCK ELEMENTS

    AAKASH INSTITUTE|Exercise Try yourself|70 Videos

  • THE P-BLOCK ELEMENTS

    AAKASH INSTITUTE|Exercise Assignment Section-A)|94 Videos

  • THE D AND F-BLOCK ELEMENTS

    AAKASH INSTITUTE|Exercise Assingment ( Section-J Aakash Challengers Questions )|10 Videos

  • THE S-BLOCK ELEMENTS

    AAKASH INSTITUTE|Exercise Assignment (Section-J)|10 Videos

Similar Questions

Explore conceptually related problems

When HCl reacts with finely powdered iron, it forms ferrous chloride and not ferric chloride. Why ?

Chlorine water turns blue litmus red but solution becomes colourless after some time. Why?

Knowledge Check

  • When HCl reacts with finely powered iron, it forms ferrous chloride and not ferric chloride because

    A
    its reaction with iron produces `H_2`
    B
    liberation of hydrogen prevents the formation of ferric chloride
    C
    Both (1) and (2)
    D
    None of the above

  • Assertion (A): When HCl reacts with finely powdered Iron It forms ferrous chloride but not ferric chloride Reason R: Liberation of Hydrogen prevents the formation of ferric chloride

    A
    A & R are true, R is correct explanation of A
    B
    A & R are true, R is not correct explanation of A
    C
    A is true, but R is false
    D
    A is false, but R is true

  • A blood red colour is obtained when ferric chloride solution reacts with:

    A
    `KCN`
    B
    `KSCN`
    C
    `K_(4)[Fe(CN)_(6)]`
    D
    `K_(3)[Fe(CN)_(6)]`

    • Similar Questions

    Explore conceptually related problems

    When HCl reacts with finely powdered iron it turne in to ferrous chloride and not ferric chloride. Why?

    (a) Write the balanced chemical equation for the reaction of Cl_(2) with hot and concentrated NaOH . Is this reaction a disproportion reaction? (b) when HCl reacts with finely powdered iron, it forms ferrous chloride and not ferric chloride. why? Deduce the molecular shape of BrF_(3) on the basis of VSEPR theory.

    P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn: (a) Blue litmus red? (b) red litmus blue?

    Write a balanced chemical equation for each of the following reactions and also classify them. (a) Lead acetate solution is treated with dilute hydrochloric acid to form lead chloride and acetic acid solution. (b) A piece of sodium metal is added to absolute ethanol to form sodim ethoxide and hydrogen gas. (c) Iron (III) oxide on heating with carbon monoxide gas reacts to form solid iron and liberates carbon dioxide gas. (d) Hydrogen sulphide gas reacts with oxygen gas to form solid sulphur and liquid water.

    For students A,B,C and D were studying the effect of the solutions of hydrochloric acid, sodium hydroxide, sodium chloride and pure water respectively on the blue litmus solutioin. Which of the students observed the colour change of blue litmus solution to red?

    Home
    Profile