List of practice Questions

Aluminium crystallises in a face-centred cubic structure, its atomic radius is 125 pm. What is the edge length of unit cell?
What is IUPAC name of \([ \text{CoCl}_2 (\text{en})_2 ]^+ \)?
What is the electronic configuration of third element of group-2 in periodic table?
An element crystallizes in a fcc lattice with cell edge 250 pm. Calculate the density of an element (at mass = 90.3).
What is the quantity of heat evolved when 6 g carbon combines with sulfur to form CS₂ according to the reaction: \[ \text{C} + \text{S}_2 \rightarrow \text{CS}_2, \Delta H = -92 \, \text{KJ/mol} \]
The volume of dihydrogen required for complete hydrogenation of 0.5 dm³ of ethene at S.T.P. is
If the conductivity of 0.08 M KCl solution is \( 2 \times 10^{-3} \, \Omega^{-1} \, \text{cm}^2 \, \text{mol}^{-1} \), what is the molar conductivity of the solution?
Which of the following alcohols is NOT prepared by acid-catalyzed hydration of alkenes?
Which from the following complexes, the central metal ion does NOT obey the EAN rule?
(Atomic number = Pt = 78, Cu = 29, Zn = 30, Fe = 26)
What is the source of an alkane if its molar mass is 240 g mol$^{-1}$ and the percentage by mass of hydrogen is 15%?
The sum of oxidation states of all atoms in \(\text{Cr}_2\text{O}_7^{2-}\) ion is
Chromyl chloride converts methyl group to a chromium complex, which on acid hydrolysis gives corresponding aldehyde. This reaction is called
Which of the following artificial sweeteners contain chlorine in its molecular formula?
Which among the following is allylic secondary alcohol?
Which of the following reactions does NOT involve replacement of diazonium group?
If one 's', three 'p' and one 'd' atomic orbitals take part in hybridization, then number of hybrid orbitals formed are
Which among the following is a mineral of Sulphur?
An element with density 2.8 g cm$^{-3}$ forms FCC unit cell having edge length 4 × 10$^{-8}$ cm. Calculate molar mass of the element.
Primary nitroalkanes on boiling with hydrochloric acid undergo hydrolysis to form
How many moles of acetic acid are obtained in the reaction when one mole glucose is treated with excess acetic anhydride?
Which from the following methods is NOT used to preserve food?
What is the molecular formula of 3-bromopropene?
Which among the following is NOT a mineral of chlorine?
Light waves from two coherent sources arrive at two points on a screen with path difference of zero and \( \lambda / 2 \). The ratio of the intensities at the points is
What is the role of tuyères used in blast furnace for extraction of iron?