Home
Class 12
CHEMISTRY
The reagent(s) used for softening the te...

The reagent(s) used for softening the temporary hardness of water is (are):

A

`Ca_(3)(PO_(4))_(2)`

B

`Ca(OH)_(2)`

C

`Na_(2)CO_(3)`

D

`NaOCI`

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
b. Clarke's method: `underset("Temporary hardness")Ca(HCO_(3))_(2) +Ca(OH)_(2)rarr2CaO_(3)darr2H_(2)O`
c. `Ca(HCO_(3))_(2)+Na_(2)CO_(3)rarr CaCO_(3)darr 2NAHCO_(3)`
d. `NaOHI+H_(2)O` `HOCI+NaOH`
`O^(Theta)H+HCO_(3)^(Theta)rarr CO_(3)^(2-)+H_(2)O`
Promotional Banner

Topper's Solved these Questions

  • P-BLOCK GROUP 17 ELEMENTS - THE HALOGEN FAMILY

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Single Correct)|12 Videos

  • P-BLOCK GROUP 17 ELEMENTS - THE HALOGEN FAMILY

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Integer)|3 Videos

  • P-BLOCK GROUP 17 ELEMENTS - THE HALOGEN FAMILY

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Linked Comprehension)|4 Videos

  • P-BLOCK GROUP 16 ELEMENTS - THE OXYGEN FAMILY

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective|10 Videos

  • P-BLOCK GROUP 18 ELEMENTS - THE INERT GASES

    CENGAGE CHEMISTRY ENGLISH|Exercise Ex 5.1 (Objective)|14 Videos

Similar Questions

Explore conceptually related problems

The temporary hardness of water is due to :

Why temporary hardness of water is called so?

Why temporary hardness of water is called so?

Only temporary hardness of water is removed by

The temporary hardness of water is due to the presence of

The method used to remove temporary hardness of water is:

The reagent which is not used for removing the permanent hardness of water is :

The process used for the removal of hardness of water is

What causes the temporary and permanent hardness of water ?

Knowledge Check

  • The process used for the removal of hardness of water is

    A
    Baeyer
    B
    Calgon
    C
    Hoope
    D
    Serpeck