List of practice Questions

Identify product B obtained in the following reaction:
\[ \text{CH}_3-\text{CH}_3 \;\xrightarrow[\Delta]{\text{HNO}_2}\; A \;\xrightarrow[\text{ether}]{\text{LiAlH}_4}\; B \]
What is the molar conductivity at infinite dilution of \(\text{CaCl}_2\), if the molar conductivity of \(\text{Ca}^{2+}\) ion and \(\text{Cl}^-\) ion at infinite dilution is \(119\) and \(71~\Omega^{-1}\text{cm}^2\text{mol}^{-1}\) respectively?
Lithium crystallises into a body centered cubic structure. What is the radius of lithium if the edge length of its unit cell is \(351~\text{pm}\)?
Which among the following polymer is used to make crockeries?
Which of the following compounds is obtained when benzoic acid is treated with concentrated \(\text{H}_2\text{SO}_4\) and concentrated \(\text{HNO}_3\)?
Which among the following reagents is used for conversion of glucose to glucosime?
What is the relative rate of \( \text{S}_\text{N}1 \) reaction for \( (\text{CH}_3)_2\text{CH–Br} \)?
What is the IUPAC name of mesityl oxide?
What is the product formed when bauxite ore is treated with sodium hydroxide?
What is the symbol of the element if its atomic number is 116?
Among the following isomeric amines, an amine having the highest boiling point is
When butan-2-ol is dehydrated using sulphuric acid, the concentration of acid and temperature needed respectively is
Identify the correct decreasing order of ionic radii of lanthanoids.
Which among the following complexes is heteroleptic and cationic in nature?
A certain mass of a gas occupies a volume of \(2~\text{dm}^3\) at STP. At what temperature will the volume of the gas become double, keeping the pressure constant?
Which type of overlap is involved in the formation of O–H bonds in a water molecule?
The compound which causes antidepressant action on the central nervous system is
A satellite of mass \( m \), revolving round the earth of radius \( r \), has kinetic energy \( E \). Its angular momentum is
The density and bulk modulus of a metal bar is \( \rho \) and \( K \) respectively. When pressure \( P \) is applied from all sides to that metal bar, the increase in its density is
When light enters glass from vacuum then the wavelength of light
An electron revolving in circular orbit of radius \( r \) with velocity \( v \) and frequency \( \nu \) has orbital magnetic moment \( M \). If the frequency of revolution is doubled, then the new magnetic moment will be
The motion of a rocket in upward direction with high speed is based on the principle of conservation of
What is the cell constant of \( \frac{N}{10} \) KCl solution at \(25^\circ\text{C}\), if conductivity and resistance of the solution are \(0.0112~\Omega^{-1}\text{cm}^{-1}\) and \(55.0~\Omega\) respectively?
Two coherent sources of intensities \( I_1 \) and \( I_2 \) produce an interference pattern on screen. The maximum intensity in the interference pattern is
A metal surface having work function \( w_0 \) emits photoelectrons when photons of energy \( E \) are incident on it. The electron enters a uniform magnetic field \( B \) in perpendicular direction and moves in a circular path of radius \( r \). Then \( r \) is equal to ( \( m \) and \( e \) are the mass and charge of electron respectively)