1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
The pKb of dimethyl amine and pKa of acetic acid are 3.27 and 4.77 respectively at T (K). The correct option for the pH of dimethyl ammonium acetate solution is :
A
6.25
B
8.50
C
5.50
D
7.75
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Find out the solubility of Ni(OH)2 in 0.1M NaOH. Given that the ionic product of Ni(OH)2 is 2 $$ \times $$ 10-15.
A
2 $$ \times $$ 10-8 M
B
1 $$ \times $$ 10-13 M
C
1 $$ \times $$ 108 M
D
2 $$ \times $$ 10-13 M
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Conjugate base for Bronsted acids H2O and HF are :
A
OH and F , respectively
B
H3O+ and H2F+ , respectively
C
OH and H2F+ , respectively
D
H3O+ and F , respectively
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
pH of a saturated solution of Ca(OH)2 is 9. The solubility product (Ksp) of Ca(OH)2 is :
A
0.125 × 10–15
B
0.5 × 10–10
C
0.5 × 10–15
D
0.25 × 10–10
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