List of top Chemistry Questions asked in BITSAT

The bond dissociation energy of X\(_2\), Y\(_2\) and XY are in the ratio of 1 : 0.5 : 1. \(\Delta H\) for the formation of XY is -200 kJ/mol. The bond dissociation energy of X\(_2\) will be
The standard Gibbs energy (\( \Delta G^{\circ} \)) for the following reaction is \[ A(s) + B^{2+}(aq) \rightleftharpoons A^{2+}(aq) + B(s), \quad K_c = 10^{12} \, {at} \] (Kc = equilibrium constant)

In which of the following reactions of H$_2$O$_2$ acts as an oxidizing agent (either in acidic, alkaline, or neutral medium)? 
% Given Reactions 
(i) \( 2Fe^{2+} + H_2O_2 \rightarrow \) 
(ii) \( 2MnO_4^- + 6H^+ + 5H_2O_2 \rightarrow \) 
(iii) \( I_2 + H_2O_2 + 2OH^- \rightarrow \) 
(iv) \( Mn^{2+} + H_2O_2 \rightarrow \) 
 

What is the stoichiometric coefficient of SO$_2$ in the following balanced reaction? \[ {MnO}_4^-(aq) + {SO}_2(g) \rightarrow {Mn}^{2+}(aq) + {HSO}_4^-(aq) \] (in acidic solution)
Volume of M/8 KMnO$_4$ solution required to react completely with 25.0 cm$^3$ of M/4 FeSO$_4$ in acidic medium is:
Choose the correct option for free expansion of an ideal gas under adiabatic condition from the following:
sp\(^3\) d\(^2\) hybridisation is not displayed by:
Which among the following is used in detergent?
Which of the following is not correct about Grignard reagent?

The IUPAC name of the following molecule is: 


 

Correct order of stability of carbanion is: 
 

Choose the correct stability order of the given free radicals. 

The number of geometrical isomers possible for the compound, CH$_3$CH = CH - CH = CH$_2$ is:
Le-Chatelier's principle is not applicable to

The correct order of melting points of the following salts is: 
LiCl & (I) 
LiF & (II) 
LiBr & (III) 
 

Which of the following is only a redox reaction but not a disproportionation reaction?

What would be the amount of heat absorbed in the cyclic process shown below? 
 

Thermal decomposition of lithium nitrate gives:
The strongest reducing agent among the following is:
Among the following, the correct statements are:
The chemical composition of 'slag' formed during the smelting process in the extraction of copper is:
In a first-order reaction, the concentration of the reactant decreases from 0.8 M to 0.4 M in 15 minutes. The time taken for the concentration to change from 0.1 M to 0.025 M is:
The pH of 0.5 L of 1.0 M NaCl solution after electrolysis for 965 s using 5.0 A current is:
In which of the following molecules, all bond lengths are not equal?
Calamine, malachite, magnetite, and cryolite, respectively, are: