1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

For a weak acid HA, the percentage of dissociation is nearly 1% at equilibrium. If the concentration of acid is 0.1 mol L$$^{-1}$$, then the correct option for its K$$_a$$ at the same temperature is :

A
$$1\times10^{-4}$$
B
$$1\times10^{-6}$$
C
$$1\times10^{-5}$$
D
$$1\times10^{-3}$$
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

An acidic buffer is prepared by mixing :

A
weak acid and it's salt with strong base
B
equal volumes of equimolar solutions of weak acid and weak base
C
strong acid and it's salt with strong base
D
strong acid and it's salt with weak base (The pK$$_a$$ of acid = pK$$_b$$ of the base)
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

0.01 M acetic acid solution is 1% ionised, then pH of this acetic acid solution is :

A
1
B
3
C
2
D
4
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

KH value for some gases at the same temperature 'T' are given :

Gas K$$_H$$/k bar
Ar 40.3
CO$$_2$$ 1.67
HCHO 1.83 $$\times$$ 10$$^{ - 5}$$
CH$$_4$$ 0.413

where KH is Henry's Law constant in water. The order of their solubility in water is :

A
HCHO < CH4 < CO2 < Ar
B
Ar < CO2 < CH4 < HCHO
C
Ar < CH4 < CO2 < HCHO
D
HCHO < CO2 < CH4 < Ar
NEET Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSAT
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN