1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The equilibrium constant, $$K_C$$ for $$3C_2H_2(g) \rightleftharpoons C_6H_6(g)$$ is 4 L$$^2$$mol$$^{-2}$$. If the equilibrium concentration of benzene is 0.5 mol$$^{-1}$$ than what is the value of concentration of ethylene?

A
0.05 mol/L
B
0.5 mol/L
C
0.25 mol/L
D
0.025 mol/L
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Identify the product formed in the given reaction.

COMEDK 2022 Chemistry - Compounds Containing Nitrogen Question 16 English

A
COMEDK 2022 Chemistry - Compounds Containing Nitrogen Question 16 English Option 1
B
COMEDK 2022 Chemistry - Compounds Containing Nitrogen Question 16 English Option 2
C
COMEDK 2022 Chemistry - Compounds Containing Nitrogen Question 16 English Option 3
D
COMEDK 2022 Chemistry - Compounds Containing Nitrogen Question 16 English Option 4
3
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Which of the following gas readily de-colourises the acidified KMnO$$_4$$ solution?

A
CO$$_2$$
B
SO$$_2$$
C
P$$_2$$O$$_5$$
D
NO$$_2$$
4
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

What will be the emf of the following cell at 25$$^\circ$$C?

Fe/Fe$$^{2+}$$ (0.001 M) | | H$$^+$$ (0.01 M) | H$$_2$$(g) (1 Bar) | Pt(s)

$$E_{(F{e^{2+}} /Fe)}^o = - 0.44$$ V; $$E_{({H^ + }/{H_2})}^o = - 0.00$$ V

A
0.44 V
B
$$-$$0.44 V
C
0.41 V
D
$$-$$0.41 V
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