List of top Chemistry Questions asked in AP EAPCET

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

Fittig reaction is:
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?
The correct order of bond enthalpy of given molecules is
The bond angle is maximum in which of the following molecules?
Which of the following macromolecules is crucial to the communication system in the body?

Match the following
List – I (Source)             List – II (Carboxylic Acid)
 

SourceCarboxylic Acid
A. VinegarI. HCOOH
B. ButterII. CH3CH2COOH
C. AntsIII. CH3COOH
 IV. CH3CH2CH2COOH
How many asymmetric carbons are present in the following molecule? HOCH$_2$CH(Br)CH(Br)CH$_2$OH
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?
Hydrolysis products of isobutyl isonitrile are:
What are ‘X’ and ‘Y’ in the following reactions?
Acetal $\xrightarrow{X}$ CH$_3$COCH$_3$ $\xrightarrow{Y}$ Oxime
Molar conductivities at infinite dilution \( \Lambda_m^\circ \) for \( Ba(OH)_2 \), \( BaCl_2 \) and \( NH_4Cl \) are 457.6, 240.6 and 213.0 \( S cm^2 mol^{-1} \) respectively. The \( \Lambda_m^\circ \) for ammonium hydroxide (in \( S cm^2 mol^{-1} \)) is
In nucleoside, the base is attached to which position of the sugar molecule?
When 'X' g of graphite is completely burnt in a bomb calorimeter in excess of \( O_2 \) at 298 K and 1 atm pressure as given in the equation $$ \text{C(graphite)} + O_2(g) \rightarrow CO_2(g) $$ The temperature of calorimeter raised from 298 K to 302 K. If the heat capacity of the calorimeter and molar enthalpy change for the reaction at 1 atm and 298 K are 20.7 kJ K\(^{-1} \) and -248.4 kJ mol\(^{-1} \), 'X' in g is
The correct order of C − O bond length in CO, CO2−3, CO2 is

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:

Select the correct order of radii of the given ions:
Which of the following contains 10 electrons, 11 protons, and 12 neutrons?
Which of the following reactions are endothermic and spontaneous?
What are 'X' and 'Y' in the following reaction?
conc.naoh
Which of the following polymer is used in the preparation of gaskets?
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?
Identify the correct statements from the following.
i. Melting points and boiling points of group 15 elements are much higher than those of corresponding group 14 elements
ii. SiO only exists at high temperatures
iii. PbI\( _4 \) does not exist
iv. Buckminster fullerene contain twelve 6-membered carbon rings and twenty 5 - membered carbon rings.
At T(K), the electrode potential of A$^{2+}$(X M)$|$A(s) is –0.2285 V. Given $E^\circ_{A^{2+}/A} = -0.14$ V, the value of X in mol L$^{-1}$ is: