List of top Chemistry Questions asked in VITEEE

Which one of the following has an optical isomer?

An element occurring in the bcc structure has \( 12.08 \times 10^{23} \) unit cells. The total number of atoms of the element in these cells will be:

The reagent(s) which can be used to distinguish acetophenone from benzophenone is (are):

In the extraction of Cu, the metal is formed in the Bessemer converter due to the reaction: \[ \text{Cu}_2S + O_2 \rightarrow 2Cu + SO_2 \] The correct equation is:

For which of the following systems at equilibrium, at constant temperature, will the doubling of the volume cause a shift to the right?

Compound ‘A’ of molecular formula \( C_6H_10O \) on treatment with Lucas reagent at room temperature gives compound ‘B’. When compound ‘B’ is heated with alcoholic KOH, it gives isobutene. Compound ‘A’ and ‘B’ are respectively:

The chirality of the compound:

Ionisation energy of \( \text{He}^+ \) is \( 19.6 \times 10^{-18} \, \text{J} \, \text{atom}^{-1} \). The energy of the first stationary state (n = 1) of \( \text{Li}^{2+} \) is:

Which of the following compounds is formed when a mixture of \( K_2Cr_2O_7 \) and NaCl is heated with conc. \( H_2SO_4 \)?

For the process \( H_2O(g) \, (1 \, \text{bar}, 373 \, \text{K}) \rightarrow H_2O(g) \, (1 \, \text{bar}, 373 \, \text{K}) \), the correct set of thermodynamic parameters is:

For which one of the following systems at equilibrium, at constant temperature will the doubling of die volume cause a shift to the right?

Given that the equilibrium constant for the reaction $ {2SO2(g) + O2(g) <=> 2SO3(g)}$ has a value of278 at a particular temperature. What is the value of the equilibrium constant for the following reaction at the same temperature? $ {SO3(g) <=> SO2(g) + \frac{1}{2} O2(g)}$

Which of the following compounds is formed when a mixture of $K_2Cr_2O_7$ and NaCl is heated with cone. $H_2SO_4$ ?

Compound 'A' of molecular formula $C_4H_{10}O$ on treatment with Lucas reagent at room temperature gives compound ?B\ When compound ?B? is heated with alcoholic $KOH$, it gives isobutene. Compound ?A? and ?B? are respectively

Ionisation energy of $He^+$ is $19.6 \times 10^{-18}\, J$ atom$^{-1}$. The energy of the first stationary state $(n= 1)$ of $Li^{2+}$ is

The molecular formula of diphenyl methane, How many structural isomers are possible when one of the hydrogens is replaced by a chlorine atom?

For the reaction $2N_2O_5 \to 4NO_2 + O_2$, rate and rate constant are $1.02 \times 10^{-4}$ mol $lir^{-1}$ $sec^{-1}$ and $3.4 \times 10^{-5}$ $sec^{-1}$ respectively then concentration of $N_2O_5$ at that time will be

An element occuring in the bcc structure has $12.08 \times 10^{23}$ unit cells. The total number of atoms of the element in these cells will be

In Williamson synthesis if tertiary alkyl halide is used than

The correct order of the thermal stability of hydrogen halides (H-X) is

In case of nitrogen, $NCl_3$ is possible but not $NCl_5$ while in case of phosphorus, $PCl_3$ as well as $PCl_5$ are possible. It is due to

The reagent (s) which can be used to distinguish acetophenone from benzophenone is (are)

In the extraction of Cu, the metal is formed in the bessemer converter due to the reaction:

In a compound, atoms of element Y form ccp lattice and those of element X occupy $2/3^{rd}$ of tetrahedral voids. The formula of the compound will be

Which of the following statements is not true regarding \( (+) \) Lactose?