List of top Chemistry Questions asked in AP EAPCET

The O-H bond length in \( H_2O \) in gas phase is
How many of the following metals can be purified by using zone refining method? Ni, B, Ti, In, Ge, Mn, Ag, Si, Ga
Vinegar and butter are the sources for which of the following carboxylic acids respectively?
Which of the following types of isomerism is exhibited by [Co(NH$_3$)$_5$(NO$_2$)] (NO$_3$)$_2$ i. Optical ii. Linkage iii. Ionization iv. Coordination
Among the following, the correctly matched pair is:
The first ionization enthalpies of Na, Mg and Si are respectively 496, 737 and 786 kJ mol−1. What would be the first ionization enthalpy of Al in kJ mol−1?
How many asymmetric carbons are present in the following molecule? HOCH$_2$CH(Br)CH(Br)CH$_2$OH
Hydrolysis products of isobutyl isonitrile are:
Select the correct order of radii of the given ions:
Match the following
graphite

Match the following: 

List IList II
A. Broad spectrumI. Amoxycillin
B. TyphoidII. Vancomycin
C. BactericidalIII. Erythromycin
D. BacteriostaticIV. Chloramphenicol
 V. Ofloxacin
Poly dispersity index of a polymer is 1.25. If \( \overline{M_n} = 800 \), what is its \( \overline{M_w} \)?
The number of extensive and intensive properties in the following list is respectively: Mass, temperature, pressure, enthalpy, heat capacity, internal energy, density
If standard molar enthalpy change and standard molar internal energy change measured in bomb calorimeter are equal, which one of the following statements is correct?
Identify the correct statements from the following
I. Brass is an alloy of copper and nickel
II. Bronze is an alloy of copper and zinc
III. German silver is an alloy of copper, zinc and nickel
IV. Brass is an alloy of copper and zinc
In which of the following reactions is ${H_2O}$ oxidized?
I. Photosynthesis
II. ${H_2O + F_2}$
III. ${H_2O + H_2}$
IV. ${H_2O + P_4O_{10}}$
The de Broglie wavelength of an electron travelling with 20% of velocity of light is
Find A and B
oxide of nitrogen
The electrolyte used in mercury cell is

Match the following.

Which of the following statements are correct? i. \( [\text{Mn(CN)}_6]^{3-},\ [\text{MnCl}_6]^{3-} \) both are paramagnetic
ii. Both \( [\text{NiCl}_4]^{2-},\ [\text{Ni(CO)}_4] \) are tetrahedral and diamagnetic
iii. \( [\text{Co(NH}_3)_6]^{3+} \) is inner orbital complex, but \( [\text{Ni(NH}_3)_6]^{2+} \) is outer orbital complex
How many distinct alkenes obtained from the 3-Bromo-3-methylhexane upon treatment with alc. KOH?
Which one of the following is a semiconductor?
Which of the following is not the property of covalent substances?
An ideal gas (X) present in a vessel of volume \( V \) exerted a pressure of 16.4 atm at 200 K. What is its concentration in mol \( L^{-1} \)? % Given Data Given \( R = 0.082 \, \text{L atm mol}^{-1} \text{K}^{-1} \)