Home
Class 12
CHEMISTRY
Which of the following statement(s) is/a...

Which of the following statement(s) is/are correct?

A

the pH of `1.0 xx 10^(-8)M` solution of HCl is 8

B

the conjugate base of `H_2PO_4^-" is "HPO_4^(2-)`

C

autoprotolysis constant of water increases with temperature

D

When a soltion of a weak monoprotic acid is titrated again a strong base, at half -neutralization point pH = (1/2) pKa.

Text Solution

Verified by Experts

The correct Answer is:
B, C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • IONIC EQUILIBRUIM

    MOTION|Exercise Exercise -3|107 Videos

  • IONIC EQUILIBRUIM

    MOTION|Exercise Exercise -4 (Level -1)|19 Videos

  • IONIC EQUILIBRUIM

    MOTION|Exercise Exercise -2 (Level -1)|37 Videos

  • HYDROCARBON

    MOTION|Exercise Exercise - 4 (Level-II)|15 Videos

  • ISOMERISM

    MOTION|Exercise Exercise 4|26 Videos

Similar Questions

Explore conceptually related problems

Which of the following statements (s) is//are correct ?

Knowledge Check

  • Which of the following statements(s) is (are) correct ?

    A
    A plot of log `K_(P)` versus `1//T` is linear
    B
    A plot of log `[X]` versus time is linear for a first order reaction , `X`, `P`
    C
    A plot of log `P` versus `1//T` is linear at constant temperature
    D
    A plot of `P` versus `1//V` is linear at constant temperature

  • Which of the following statements (s) is (are) correct?

    A
    The rest mass of a stable nucleus is less than the sum of the rest masses of its separated nucleons
    B
    The rest mass of a stable nucleus is greater than the rest masses of its separated nucleons
    C
    The nuclear fusion, energy is released by fusing two nuclei of medium mass. (approx. 100 am u)
    D
    In nuclear fission, energy is released by fragmentation of a very heavy nucleus.

  • Which of the following statement //s is not correct ?

    A
    The angular wave function for the goundstat of H-atom is equatl of ` 1/( 2 sqrt pi)`
    B
    The Schrodinger equation restrictsthe electron in H-atom to certain sharp orbits
    C
    A negative enrgy state is more stablerelatve to a zero enrgy state
    D
    The radialwave function ot the groun state H-atom decrease exponentilly towrds zero as `r` increases
    • Home
    Profile