List of top Chemistry Questions asked in VITEEE

Peptisation involves
The bond angles of $NH _{3}, NH _{1}^{+}$and $NH _{2}^{-}$are in the order
In the reaction, $8 Al +3 Fe _{3} O _{4} \longrightarrow 4 Al _{2} O _{3}+9 Fe$ the number of electrons transferred from the reductant to the oxidant is
Which of the following has an ester linkage?
A metal has bcc structure and the edge length of its unit cell is $3.04\, ?$. The volume of the unit cell in $cm^3$ will be
$2.76\, g$ of silver carbonate on being strongly heated yields a residue weighing
Which of the following ligands is tetradentate?
Which of these ions is expected to be coloured in aqueous solution?
What is the EAN of \( [\text{Al}(\text{C}_4\text{O}_4)_3]^{3-} \)?
Match the following and choose the correct option given below. Compound/Type \quad Use A. Dry ice 1. Anti-knocking compound B. Semiconductor 2. Electronic diode or triode C. Solder 3. Joining circuits D. TEL 4. Refrigerant for preserving food
What is the degeneracy of the level of H-atom that has energy \( \frac{R_H}{9} \)?
For the cell reaction \( 2\text{Cu}^{2+} + \text{Co} \rightarrow 2\text{Co}^{2+} + \text{Cu} \), \( E^\circ_{\text{cell}} \) is 1.89V. If \( E^\circ_{\text{Co}^{2+}/\text{Co}} \) is -0.28V, what is the value of \( E^\circ_{\text{Cu}^{2+}/\text{Cu}} \)?
A constant current of 30 A is passed through an aqueous solution of NaCl for a time of 1.00 h. What is the volume of Cl\(_2\) gas at STP produced?
An organic compound \( B \) is formed by the reaction of ethyl magnesium iodide with a substance \( A \), followed by treatment with dilute aqueous acid. Compound \( B \) does not react with PCC or PDC in dichloromethane. Which of the following is a possible compound for \( A \)?
\( \text{CH}_3\text{CH}_2\text{CH}_2\text{COCH}_3 \) reacts with \( \text{CH}_3 \text{MgBr} \) (one mole) followed by treatment with \( \text{H}_2 \text{O} \). The compound \( A \) formed in this reaction is
The reaction of zinc with \( \text{Cu}^{2+} \) produces the following. Entropy change \( \Delta S \) is given by \( 96.5 J \cdot \text{mol}^{-1} \cdot \text{K}^{-1} \).
Consider the following reaction:
What transition in the hydrogen spectrum would have the same wavelength as the Balmer transition, \( n = 4 \) to \( n = 2 \) of He\(^+\) spectrum?
Select the correct statements(s)
Following compounds are respectively ... geometrical isomers
Which is more basic oxygen in an ester?
The product Y is
End product of the following reaction is
In a Claisen condensation reaction (when an ester is treated with a strong base)
A near UV photon of 300 nm is absorbed by a gas and then re-emitted as two photons. One photon is red with wavelength of the second photon is