Home
Class 12
CHEMISTRY
For pure water (pH=7), K(w) at 298 is 1...

For pure water `(pH=7), K_(w)` at 298 is `10^(-14)`. On adding some acid to it, its pH changes to 3. The value of `K_(w)` for this acidicfied water will be

A

`10^(-11)`

B

`10^(-14)`

C

`10^(-6)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Factual question.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    DINESH PUBLICATION|Exercise BRAIN TEASERS -3|39 Videos

  • IONIC EQUILIBRIUM

    DINESH PUBLICATION|Exercise BRAIN TEASERS -4|37 Videos

  • IONIC EQUILIBRIUM

    DINESH PUBLICATION|Exercise INTEGER TYPE QUESTIONS|5 Videos

  • HYDROCARBONS

    DINESH PUBLICATION|Exercise All Questions|493 Videos

  • NO IDEA

    DINESH PUBLICATION|Exercise Unit Test -|1 Videos

Similar Questions

Explore conceptually related problems

At 90^(@)C pure water has K_(w) = 10^(-12) . The solution with pH value 6.5 is

At a certain temperature , K_(w) of water is 9.0 xx 10^(-14) . The pH of water at this temperature is

Knowledge Check

  • The pH value of pure water is

    A
    0
    B
    1
    C
    7
    D
    14

  • The pH value of pure water at 300 K is

    A
    exactly `7`
    B
    Slightly `gt 7`
    C
    zero
    D
    Slightly `lt 7`

  • The pH of pure water at 50^@C is 6.63. What is the value of K_w at 50^@C ?

    A
    `1.8xx10^(-15)`
    B
    `1.0xx10^(-14)`
    C
    `5.5xx10^(-14)`
    D
    `2.2xx10^(-13)`

    • Similar Questions

    Explore conceptually related problems

    The value of K_(w) is 9.55xx10^(-14) at a certain temperature. Calculate the pH of water at this temperature .

    At some high temperature the P^(OH) of water is found to be 6.7 . Then the value of K_(w) at the same temperature is

    At 90^(@)C pure water has [H_(3)O^(+)] = 10^(-6) M , the value of K_(w) at this temperature will be

    The pH of pure water at 50^@ C is (K_w -13.26 at 50^@ C )

    At some high temperature, K_(w) of water is 10^(-13) . Then the P^(H) of the water at the same temperature is

    Home
    Profile