List of top Questions asked in BITSAT

The final product in the following reaction Y is: 

In an \( S_{\text{N}2} \) substitution reaction of the type: \[ R - Br + Cl^- \longrightarrow R - Cl + Br^- \]
Which one of the following has the highest relative rate?
Which of the following complexes will exhibit maximum attraction to an applied magnetic field?
IUPAC name of \( [Pt(NH_3)_2Cl(NH_2CH_3)]Cl \) is:
The complex with the highest magnitude of crystal field splitting energy (\(\Delta_0\)) is:
The chemical name of calgon is:
Ferrocene is:
Identify, from the following, the diamagnetic, tetrahedral complex:
The type of isomerism present in nitropentammine chromium (III) chloride is:
The correct statement among the following is:
Which of the following is the correct order of ligand field strength?

Match List I with List II. 
 

Hybridisation and geometry of [Ni(CN)$_4$]$^{2-}$ are
 

The metal that shows highest and maximum number of oxidation states is:
Which of the following has least tendency to liberate H$_2$ from mineral acids?
The sol formed in the following unbalanced equation is:
\[ As_2O_3 + H_2S \rightarrow {?} \]
In which of the following molecules, all bond lengths are not equal?
Calamine, malachite, magnetite, and cryolite, respectively, are:
The chemical composition of 'slag' formed during the smelting process in the extraction of copper is:
The charge on colloidal particles is due to:
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:
In the reaction, A \( \rightarrow \) products, if the concentration of the reactant is doubled but the rate of reaction remains unchanged, what is the order of the reaction with respect to A?
Calculate the activation energy of a reaction, whose rate constant doubles on raising the temperature from 300 K to 600 K.
In the chemical reaction A $\rightarrow$ B, what is the order of the reaction? Given that, the rate of reaction doubles if the concentration of A is increased four times.

If for a first-order reaction, the value of \( A = 4 \times 10^{13} \, \text{s}^{-1} \) and \( E_a = 98.6 \, \text{kJ mol}^{-1} \), then at what temperature will its half-life be 10 minutes?