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

Anti-Markownikoff's addition of $$\mathrm{HBr}$$ is observed in

A
propene
B
but-2-ene
C
pent-2-ene
D
All of these
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

Which of the following oxides is amphoteric in character?

A
$$\mathrm{SnO}_2$$
B
$$\mathrm{SiO}_2$$
C
$$\mathrm{CO}_2$$
D
$$\mathrm{CaO}$$
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The temperature of $$K$$ at which $$\Delta G=0$$, for a given reaction with $$\Delta H=-20.5 \mathrm{~kJ} \mathrm{~mol}^{-1}$$ and $$\Delta S=-50.0 \mathrm{~JK}^{-1} \mathrm{~mol}^{-1}$$ is

A
$$-410$$
B
410
C
2.44
D
$$-2.44$$
4
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A mixture of two moles of carbon monoxide and one mole of oxygen, in a closed vessel is ignited to convert the carbon monoxide to carbon dioxide. If $$\Delta H$$ is the enthalpy change and $$\Delta E$$ is the change in internal energy, then

A
$$\Delta H>\Delta U$$
B
$$\Delta H<\Delta U$$
C
$$\Delta H=\Delta U$$
D
the relationship depends on the capacity of the vessel
EXAM MAP