List of top Chemistry Questions asked in AP EAMCET

$BF_3 + LiAlH_4 \rightarrow X + LiF + AlF_3$. The incorrect statement about 'X' is:

One mole of compound AB reacts with one mole of compound CD according to the equation: \[ {AB} + {CD} \rightleftharpoons {AD} + {CB} \] At equilibrium, it was found that $\frac{3}{4}$ mole of AB and CD had been converted to AD and CB. There is no change in volume. The equilibrium constant for the reaction is:

Given the reaction at 300 K:

with $\Delta G^\circ = -15 \, kJ \, mol^{-1}$. Calculate the value of log $K$ for the reaction at the same temperature (R = 8.3 J $K^{-1} \, mol^{-1}$).

Given below are two statements regarding the use of a bomb calorimeter:
Statement-I: $\Delta U$ can be measured by bomb calorimeter.
Statement-II: Heat is not transferred from calorimeter to surroundings.

Observe the following reaction: \[ {H}_2{O}(s) + {F}_2(g) \rightarrow {HF}(g) + {HOF}(g) \] In this reaction, identify the correct redox changes.

'x' cm$^3$ of CH$_4$ gas diffused through a porous membrane in 25 min, Under the same conditions 'y' cm$^3$ of another gas of molar mass 64 g mol$^{-1}$ diffused in 20 min. The ratio of x and y is:

At $T$K, for one mole of an ideal gas, $P$, $V$ and ${v}_{rms}$ were measured. A graph of $({v}_{rms})^2$ (on y-axis) and $PV$ (on x-axis) goes straight line passing through origin. Its slope is $m$. What is its molar mass (in kg mol$^{-1}$)?

Which of the following orders are correct regarding their covalent bond character?
i. KF $<$ KI
ii. SnCl2 $<$ SnCl4
iii. NaCl $<$ CuCl

Identify the sets containing isostructural molecules from the following options:
i: ${SiF}_4$, ${CCl}_4$
ii: ${NF}_3$, ${XeO}_3$
iii: ${BeCl}_2$, ${HgCl}_2$
iv: ${SF}_4$, ${XeF}_4$