1
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The bond enthalpies of heavy hydrogen, $\mathrm{O}-\mathrm{O}$ and $\mathrm{D}-\mathrm{O}$ are $+400,+498$ and $+490 \mathrm{kJmol}^{-1}$, respectively. The $\Delta_r H^{\circ}$ of the reaction to produce $\mathrm{D}_2 \mathrm{O}$ is

A

$-300 \mathrm{~kJ} \mathrm{~mol}^{-1}$

B

$-331 \mathrm{~kJ} \mathrm{~mol}^{-1}$

C

$29.1 \mathrm{~kJ} \mathrm{~mol}^{-1}$

D

$2.91 \mathrm{~kJ} \mathrm{~mol}^{-1}$

2
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the value of the equilibrium constant $\left(K_p\right)$ for the reaction of oxygen gas oxidising ammonia gas to nitric oxide and water vapour. The pressure of each gas at equilibrium is 0.5 atm .

A

1.5 atm

B

0.5 atm

C

1 atm

D

2.5 atm

3
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Ammonia is a Lewis base because it is

A

electron pair donor

B

electron pair acceptor

C

proton donor

D

proton acceptor

4
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \mathrm{CaC}_2+2 \mathrm{D}_2 \mathrm{O} \longrightarrow " P^{\prime \prime}+\mathrm{Ca}(\mathrm{OD})_2 $$

In the above reaction, product " $P$ " is

A

$\mathrm{C}_2 \mathrm{H}_2$

B

$\mathrm{C}_2 \mathrm{H}_4$

C

$\mathrm{CD}_4$

D

$\mathrm{C}_2 \mathrm{D}_2$

TS EAMCET Papers

All year-wise previous year question papers