1
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A solid mixture weighing 5 g contains equal number of moles of $\mathrm{Na}_2 \mathrm{CO}_3$ and NaHCO . This solid mixture was dissolved in 1 L of water. What is the volume (in mL ) of 0.1 M HCl required to completely react with this 1 L mixture solution?

A

157.8

B

789.0

C

1578.0

D

946.8

2
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

At 298 K the equilibrium constant for the reaction $M(s)+2 \mathrm{Ag}^{+}(a q) \longrightarrow M^{2+}(a q)+2 \mathrm{Ag}(s)$ is $10^{15}$. What is the $E_{\text {cell }}^{\ominus}$ (in V) for this reaction?

$$ \left(\frac{2.303 R T}{F}\right)=0.06 \mathrm{~V} $$

A

0.45

B

0.90

C

0.225

D

1.10

3
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$A \rightarrow P$ is a first order reaction. At 300 K this reaction was started with $[A]=0.5 \mathrm{~mol} \mathrm{~L}^{-1}$.

The rate constant of reaction was $0.125 \mathrm{~min}^{-1}$. The same reaction was started separately with $[A]=1 \mathrm{molL}^{-1}$ at 300 K . The rate constant (in $\mathrm{min}^{-1}$ ) now is

A

0.25

B

0.50

C

0.125

D

1.00

4
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Observe the following reaction

I. $\mathrm{CO}(\mathrm{g})+\mathrm{H}_2(\mathrm{~g}) \xrightarrow{X} \mathrm{HCHO}(\mathrm{g})$

II. $\mathrm{CO}(\mathrm{g})+3 \mathrm{H}_2(\mathrm{~g}) \xrightarrow{\gamma} \mathrm{CH}_4(\mathrm{~g})+\mathrm{H}_2 \mathrm{O}(\mathrm{g})$

The catalysts $X$ and $Y$ in the above reactions are respectively

A

$\mathrm{Cu}, \mathrm{Cu}$

B

$\mathrm{Ni}, \mathrm{Ni}$

C

$\mathrm{Cu}, \mathrm{Ni}$

D

$\mathrm{Ni}, \mathrm{Cu}$

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