1
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

The solubility of $$\mathrm{Fe}(\mathrm{OH})_3$$ is $$x \mathrm{~mol} \mathrm{~L}^{-1}$$. Its $$K_{\mathrm{sp}}$$ would be

A
$$9 x^3$$
B
$$3 x^4$$
C
$$27 x^4$$
D
$$9 x^4$$
2
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

When an electrolytic solution conducts electricity, the current is carried by

A
the electrons
B
cations and anions
C
neutral molecules
D
the atoms of the electrolyte
3
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

An electrochemical cell has two half cell reactions as,

$$\begin{aligned} A^{2+}+2 e^{-} & \longrightarrow A ; E_{A^{2+} / A}^0=0.34 \mathrm{~V} \\ X & \longrightarrow X^{2+}+2 e^{-} ; E_{X^{2+} / X}^0=-2.37 \mathrm{~V} \end{aligned}$$

The cell voltage will be

A
2.71 V
B
2.03 V
C
$$-$$2.71 V
D
$$-$$2.03 V
4
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

The number of optical isomers of the compound $$\mathrm{CH}_3 \mathrm{CHBrCHBrCOOH}$$ is

A
0
B
1
C
3
D
4
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