List of top Chemistry Questions asked in BITSAT

Which of the following relation is not correct?
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

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:
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)
Which among the following is used in detergent?
sp\(^3\) d\(^2\) hybridisation is not displayed by:
The pH of 1 N aqueous solutions of HCl, CH$_3$COOH and HCOOH follows the order:
The strongest reducing agent among the following is:

The IUPAC name of the following molecule is: 


 

Choose the correct stability order of the given free radicals. 

Which of the following is not correct about Grignard reagent?

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

Correct order of stability of carbanion is: 
 

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

Thermal decomposition of lithium nitrate gives:
Which of the following is only a redox reaction but not a disproportionation reaction?
The number of geometrical isomers possible for the compound, CH$_3$CH = CH - CH = CH$_2$ 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: