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

The correct value of cell potential in volt for the reaction that occurs when the following two half cells are connected, is

$$\begin{aligned} & \mathrm{Fe}_{(\mathrm{aq})}^{2+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Fe}(\mathrm{s}), \mathrm{E}^{\circ}=-0.44 \mathrm{~V} \\ & \mathrm{Cr}_2 \mathrm{O}_7^{2-} \text { (aq) }+14 \mathrm{H}^{+}+6 e^{-} \rightarrow 2 \mathrm{Cr}^{3+}+7 \mathrm{H}_2 \mathrm{O} \\ & \mathrm{E}^{\circ}=+1.33 \mathrm{~V} \end{aligned}$$

A
$$+1.77 \mathrm{~V}$$
B
$$+2.65 \mathrm{~V}$$
C
$$+0.01 \mathrm{~V}$$
D
$$+0.89 \mathrm{~V}$$
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

NEET 2023 Manipur Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 1 English

Identify 'X' in above reactions

A
B$$_2$$H$$_6$$
B
LiAlH$$_4$$
C
NaBH$$_4$$
D
H$$_2$$/Pd
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

For a reaction $$3 \mathrm{~A} \rightarrow 2 \mathrm{~B}$$

The average rate of appearance of $$\mathrm{B}$$ is given by $$\frac{\Delta[B]}{\Delta t}$$. The correct relation between the average rate of appearance of $$\mathrm{B}$$ with the average rate of disappearance of A is given in option :

A
$$\frac{-\Delta[\mathrm{A}]}{\Delta \mathrm{t}}$$
B
$$\frac{-3 \Delta[\mathrm{A}]}{2 \Delta t}$$
C
$$\frac{-2 \Delta[\mathrm{A}]}{3 \Delta \mathrm{t}}$$
D
$$\frac{\Delta[\mathrm{A}]}{\Delta t}$$
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

The following conversion is known as:

NEET 2023 Manipur Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 3 English

A
Stephen reaction
B
Gattermann-Koch reaction
C
Etard reaction
D
Rosenmund reaction
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