1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

Which of the following statements does not form a part of Bohr's model of hydrogen atom?

A
The position and velocity of the electrons in the orbit cannot be determined simultaneously.
B
The electron in the orbit nearest the nucleus has the lowest energy.
C
Electrons revolve in different orbits around the nucleus.
D
Energy of the electrons in the orbit is quantised.
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The equilibrium constant of the reaction

$$A(s)+2 B^{+}(a q) \rightleftharpoons A^{2+}(a q)+2 B(s)$$

$$E_{\text {cell }}^{\circ}=0.0295 \mathrm{~V} \text { is } \quad\left[\frac{2.303 R T}{F}=0.059\right]$$

A
$$2\times10^1$$
B
$$3\times10^1$$
C
$$2\times10^5$$
D
10
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The value of enthalpy change $$(\Delta H)$$ for the reaction $$\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}(l)+3 \mathrm{O}_2(\mathrm{~g}) \longrightarrow 2 \mathrm{CO}_2(\mathrm{~g})+ 3 \mathrm{H}_2 \mathrm{O}(l)$$, at $$27^{\circ} \mathrm{C}$$ is $$-1366 \cdot 5 \mathrm{~kJ} \mathrm{~mol}^{-1}$$. The value of internal energy change for the above reaction at this temperature will be

A
$$-1371.5~\mathrm{kJ~mol^{-1}}$$
B
$$-1369.0~\mathrm{kJ~mol^{-1}}$$
C
$$-1364.0~\mathrm{kJ~mol^{-1}}$$
D
$$-1361.5~\mathrm{kJ~mol^{-1}}$$
4
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The volume-temperature graphs of a given mass of an ideal gas at constant pressures are shown below. What is the correct order of pressures?

BITSAT 2023 Chemistry - States of Matter Question 1 English

A
$$p_1>p_3>p_2$$
B
$$p_1>p_2>p_3$$
C
$$p_2>p_3>p_1$$
D
$$p_2>p_1>p_3$$
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