List of top Chemistry Questions

Arrange the following in the increasing order of the property mentioned:

(i) HClO, HClO₂, HClO₃, HClO₄ (acidic strength)

(ii) MF, MCl, MBr, MI (ionic character)

(iii) HF, HCl, HBr, HI (thermal stability)

For the reaction \( A + B \rightarrow P \):
If \( [B] \) is doubled at constant \( [A] \), the rate of reaction doubles.
If \( [A] \) is tripled and \( [B] \) is doubled, the rate of reaction increases by a factor of 6.
Calculate the rate law equation.
Alcoholic Sodium Hydroxide

What is the action of the following on ethyl bromide ?
(a) silver nitrite
(b) Mg in dry ether 
(c) alcoholic sodium hydroxide

Calculate the standard enthalpy of combustion of methane, if the standard enthalpy of formation of methane, carbon dioxide, and water are \( -74.8 \), \( -393.5 \), and \( -285.8 \) kJ mol\(^{-1} \) respectively.

Write chemical reactions involved in Cannizzaro Reaction of Methanal

Write chemical reactions involved in Gattermann-Koch Formylation

Write chemical reactions involved in Rosenmund Reduction

What is osmotic pressure? How will you determine the molar mass of a solute from osmotic pressure?

Write the structure and name of the monomer of Natural rubber

Write the structure and name of the monomer of Nylon-6.

Henry’s constant for CH\(_3\)Br(g) is 0.159 mol dm\(^{-3}\) bar\(^{-1}\) at 25\(^{\circ}\)C. Calculate its solubility in water at 25\(^{\circ}\)C if its partial pressure is 0.164 bar.

Calculate the time required to deposit 2.4 g of Cu, when 2.03 A of current is passed through \( \text{CuSO}_4 \) solution. 
(At. mass of Cu = 63.5 g mol\(^{-1}\))

Write the condition of reverse osmosis.
Write the SI unit of molar conductivity.

The compounds of \( \text{Ti}^{4+} \) ions are colourless due to ___________.

The product of hydrolysis of propyne in the presence of 1% \( HgSO_4 \) and 40% \( H_2SO_4 \) is ___________.

Among the following, the vinylic halide is ____________.

The monomer used in the preparation of Teflon is ____________.

The number of particles present in a Face-Centered Cubic (FCC) unit cell is/are ____________.

The correct structure of the complex having IUPAC name sodium hexanitrocobaltate(III) is:
The product of the following reaction is: \[ C_2H_5 - \overset{O}{\overset{||}{C}} - CH_3 \quad \xrightarrow{H_2/Ni, \ \Delta} \quad ? \]

The linkage present in Lactose is ___________.

Write the sign convention of work done during the expansion of gas.
Consider the following nucleotide sequence: 5'-GCCGCCAUGGCGUCUGCUAGCUGGCUCGAUCGCGAGCGAUCGUAC GUAUAGUAUGAA-3' Assume canonical initiation, canonical termination, no post-translational modification, and the average molecular mass of an amino acid to be 110 daltons. The theoretical molecular mass of the polypeptide translated from the above nucleotide sequence is _____ daltons. (Answer in integer)