1
KCET 2020
MCQ (Single Correct Answer)
+1
-0

The conjugate base of $$\mathrm{NH}_3$$ is

A
$$\mathrm{NH}_4^{+}$$
B
$$\mathrm{NH}_4 \mathrm{OH}$$
C
$$\mathrm{NH}_2 \mathrm{OH}$$
D
$$\mathrm{NH}_2^{-}$$
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0

In the reaction

$$\mathrm{B}(\mathrm{OH})_3+2 \mathrm{H}_2 \mathrm{O} \rightarrow\left[B(\mathrm{OH})_4\right]^{-}+\mathrm{H}_2 \stackrel{+}{\mathrm{O}}, \mathrm{B}(\mathrm{OH})_3$$

functions as

A
Protonic acid
B
Lewis base
C
Bronsted acid
D
Lewis acid
3
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Solubility of AgCl is least in

A
0.1 M NaCl
B
pure water
C
0.1 M BaCl$$_2$$
D
0.1 M AlCl$$_3$$
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