List of top Chemistry Questions

Solubility of $\text{Ca}_3(\text{PO}_4)_2$ is ' S ' $\text{moldm}^{-3}$. Find solubility product.
Which from following functional groups has highest priority order for naming the poly functional compound?
Which of the following alkenes is most easily formed by dehydrohalogenation of alkyl halides?
Which among the following salts is NOT hydrolysed in water?
In a chemical reaction, sum of formula weight of all reactants is 274 u and atom economy is 50%, calculate formula weight of desired product?
Select the correct IUPAC name of pyrogallol.
Calculate the longest wavelength in hydrogen emission spectrum of Lyman series.
\([\text{R}_{\text{H}} = 109677\text{ cm}^{-1}]\)
Identify the correct order of thermal stability of hydrides of 16 group elements from the following.
Calculate the number of atoms present in 1.58 g metal if it forms bcc structure.
\([\rho \times \text{a}^3 = 1.58 \times 10^{-22}\text{ g}]\)
Which from following cations develops lowest value of spin only magnetic moment?
The solubility product of a sparingly soluble salt AX is \(4.9 \times 10^{-13}\). What is its solubility in \(\text{mol dm}^{-3}\) ?
Four vessels of same volume consist equal masses of four gases \(\text{H}_2\), \(\text{Cl}_2\), \(\text{N}_2\), and \(\text{O}_2\) separately at same temperature. The pressure exerted by the gas is maximum for
Which of the following is the structure of an alcohol with molecular formula \(\text{C}_5\text{H}_{12}\text{O}\)?
Match column I (process) with column II (application)
Identify the product ' B ' in the following reaction sequence.
Alkyl halide \(\xrightarrow{\text{Mg/Dry ether}} \text{A} \xrightarrow{\text{NH}_3} \text{B}\)
Which from following reactions performs zero work?
Which of the following is one of the product of ozonolysis?
Which from following polymers is obtained by addition polymerisation method?
Which from following complexes is an example of \(\text{MA}_2\text{BC}\) type of distereoisomers?
The pH of a sample of vinegar is 3.76. Calculate the concentration of hydrogen ion in it in \(\text{mol dm}^{-3}\) ?
Identify the pair of carbohydrates containing galactose as one of constituent in both of them.
Which of the following is primary allylic alcohol?
What are the respective oxidation states of sulphur atoms numbered 1 to 4 in tetrathionate ion as shown below?
Identify the product formed from chlorobenzene on heating with conc. \(\text{HNO}_3\) in presence of conc. \(\text{H}_2\text{SO}_4\).
What are the products formed when \(\text{Li}_2\text{CO}_3\) undergoes decomposition?