List of practice Questions

Silver crystallizes in fcc structure. If edge length of unit cell is 316.5 pm, what is the radius of silver atom?
In gas phase, \( \text{H-O-O-H} \) bond angle in \( \text{H}_2\text{O}_2 \) is
Which among the following compound is NOT optically active?
Solutions A, B, C and D are respectively 0.2 M urea, 0.10 M NaCl, 0.05 M BaCl₂ and 0.05 M AlCl₃. All solutions are isotonic with each other except
Which of the following metals is refined by vapour phase refining in Mond process?
What is the number of =N-OH groups present in dimethyl glyoximato?
An element crystallizes in a bcc lattice with cell edge of 500 pm. The density of the element is 7.5 g/cm\(^3\). How many atoms are present in 300 g of metal?
Identify the process of refining to obtain pig tin.
Which of the following actinoids exhibits only +3 oxidation state?
60 g of CH₃COOH dissolved in 1 dm³ solvent. What is molality of solution? (density = 1.25 g/cm³)
A first order reaction has a rate constant 0.00813 min\(^{-1}\). How long will it take for 60% completion?
Which among the following is used as an oxidizing agent to bleach wood pulp into white paper?
If the entropy of a solid is greater than zero, at \( T = 0 \), it is called
Which of the following elements belongs to the first inner transition series?
A solution of CuSO₄ is electrolyzed using a current of 1.5 amperes for 10 minutes. What mass of Cu is deposited at the cathode? (At. mass of Cu = 63.7)
What is the IUPAC name of hydroquinone?
Which of the following is a multimolecular colloid?
What is the osmotic pressure of a semi-molar solution at 27°C? (\( R = 0.0821 \, \text{atm L mol}^{-1} \text{K}^{-1} \))
A batsman hits a ball of mass 0.2 kg straight towards the bowler without changing its initial speed of 6 m/s. What is the impulse imparted to the ball?
A particle performs simple harmonic motion with period of 3 second. The time taken by it to cover a distance equal to half the amplitude from mean position is
A square frame of each side \( L \) is dipped in a soap solution and taken out. The force acting on the film formed is \( T = \) surface tension of soap solution
A large open tank containing water has two holes to its wall. A square hole of side \( a \) is made at a depth \( y \) and a circular hole of radius \( r \) is made at a depth \( 16y \) from the surface of water. If equal amount of water comes out through both the holes per second, then the relation between \( r \) and \( a \) will be
A particle of mass \( m \) is performing U.C.M. along a circle of radius \( r \). The relation between centripetal acceleration \( a \) and kinetic energy \( E \) is given by
A block of mass \( M \) is moving on rough horizontal surface with momentum \( P \). The coefficient of friction between the block and surface is \( \mu \). The distance covered by the block before it stops is
The resultant of two vectors \( \vec{A} \) and \( \vec{B} \) is \( \vec{C} \). If the magnitude of \( \vec{B} \) is doubled, the new resultant vector becomes perpendicular to \( \vec{A} \). Then the magnitude of \( \vec{C} \) is