List of top Chemistry Questions asked in AP EAPCET

What are ‘X’ and ‘Y’ in the following reactions?
Acetal $\xrightarrow{X}$ CH$_3$COCH$_3$ $\xrightarrow{Y}$ Oxime
Among the following, the correct statement is
Among the following, the correct statements are
I. Lithium forms solid hydrogen carbonate
II. LiCl is soluble in ethanol
III. The formula of lithium oxide is LiO
IV. Lithium hydroxide decomposes on heating
The 'X' in the following conversion is $CH_3CH_2COOH \xrightarrow{X} CH_3CHBrCOOH$
Which of the following sets of quantum numbers is correct for an electron in 4f orbital?

The number of following pairs of elements which exhibit diagonal relationship is:

  • i. B & Si
  • ii. Be & Al
  • iii. Li & Mg
  • iv. Al & S
At 300 K, the following graph is obtained for one mole of an ideal gas. If its pressure is 10 atm, then its volume (in L) will be
Observe the following species: AlCl$_3$, NH$_3$, H$^+$, Co$^{3+}$, $^-$OH, Mg$^{2+}$, BF$_3$, Cl$^-$ How many Lewis acids are present in the above list?
Which of the following hormones modulate inflammatory reactions?
A solution is formed by the combination of two liquids such as dichloromethane and chloroform. The partial pressures of dichloromethane and chloroform in solution are 285.5 and 62.4 mm Hg respectively. What is the total pressure of the solution?
Which of the following statements are correct?
Consider the elements Ne, Na, Mg. The element with highest first ionization enthalpy and element with lowest second ionization enthalpy respectively are
If the osmotic pressure of cane sugar solution is 2.46 atm at 27°C, then what is the concentration (in mol L\(^{-1}\)) of the solution (R = 0.0821 L atm mol\(^{-1}\) K\(^{-1}\))
Which of the following is the correct order of increasing number of lone pair of electrons on the ntral atom?

Which of the following sets is correct? 

#MoleculeHybridizationGeometryNo. of lone pairs
on central atom
I\(\mathrm{SiH_4}\)\(\mathrm{sp^3}\)tetrahedral0
II\(\mathrm{BeCl_2}\)\(\mathrm{sp^2}\)linear1
III\(\mathrm{SF_4}\)\(\mathrm{dsp^3}\)seesaw1
IV\(\mathrm{SnCl_2}\)\(\mathrm{sp^2}\)bent2
V\(\mathrm{CH_4}\)\(\mathrm{sp^3}\)tetrahedral0
The molarity of the solution when 4.9 g of H$_2$SO$_4$ is dissolved in 250 mL of solution is

In the below reaction, geometry of BCl3, X respectively are \(\text{BC}_{3} + \text{NH}_{3} \rightarrow X\)

At 1000 K, the value of $K_c$ for the below reaction is $10 \text{ mol L}^{-1}$. Value of $K_p$ (in atm) is (given $R = 0.082 \text{ atm L mol}^{-1} \text{K}^{-1}$)
${\{A(g) <=> B(g) + C(g)}$

Given below are two statements: 
Assertion (A): Hydrolysis of DNA does not form equal numbers of adenine (A) and thymine (T), or guanine (G) and cytosine (C). 
Reason (R): In DNA, adenine forms hydrogen bonds with thymine and cytosine forms hydrogen bonds with guanine. 
The correct answer is:

Correct statements with respect to morphine (X) and Veronal (Y) are
A) Both X and Y are sleep producing agents
B) X is hypnotic and Y is analgesic
C) X is analgesic and Y is hypnotic
D) X is non-narcotic analgesic and Y is antidepressant
Identify the pair of elements with the highest and lowest electronegativity respectively
Addison’s disease is characterized by A. Hyperglycemia B. Weakness C. Increased susceptibility to stress D. Hypertension
2.0 g of activated charcoal is added to 100 mL of 0.5 M acetic acid (molar mass 60 g mol\(^{-1}\)), shaken well and filtered. The concentration of solution is reduced to 0.4 M. How many grams of acetic acid is adsorbed on charcoal per gram?
In which of the following amino acids -OH group is present?
In neutral or faintly alkaline medium, $MnO_4^-$ oxidizes $I^-$ to iodate. What is the volume (in L) of 0.02M $KMnO_4$ required to completely convert 1 L of 0.5 M KI solution to iodate in neutral or faintly alkaline medium?