List of practice Questions

Which among the following compounds is used as catalyst in Raschig method for preparation of phenol?
Mg\(_3\)N\(_2\) reacts with water to produce
The time required to decompose SO\(_2\)Cl\(_2\) to half of its initial amount is 60 minutes. Calculate rate constant for this first order reaction?
What is the mass of solute (molar mass 39) in 156 g of benzene, if mole fraction of solute in benzene is 0.2? (at wt C=12, H=1, O=16)
A sample of gas absorbs 4000 kJ of heat and surrounding does 2000 J of work on sample, what is the value of \(\Delta U\)?
Hydroxide of which alkali metal is used in manufacture of soft soap?
Which of the following is NOT an electrophile?
What is the colour of solution obtained when 2-Nitropropane reacts with nitrous acid?
Which of the following compounds is NOT isomeric with ethoxy ethane?
6.022 × 10\(^23\) molecules of glucose are present in 100 mL of its aqueous solution, what is the concentration of this solution?
When will the reaction become spontaneous at all temperatures?
Resistance of 0.1 M KCl solution in a conductivity cell is 300 ohm and conductivity is 0.013 S cm\(^{-1}\). What is the cell constant?
What is the number of carbon atoms present in the leaves?
Identify the number of carbon atoms and number of oxygen atoms respectively present in pyran molecule.
An element crystallizes with hcp structure with atomic radius 17-32 nm. What is the edge length of unit cell?
What is the freezing point of a solution containing 1.8 g glucose dissolved in 1000 g of water (Kf of water = 1.86 K kg mol\(^{-1}\) and at mass C=12, H=1, O=16)?
Which type of overlap is involved in formation of C-H bond in ethene molecule?
What is the symbol of an element having atomic number 113?
How many donor groups are present in dimethyl glyoximato?
A metallic element has a cubic lattice with edge length of unit cell 2Å. Calculate the number of unit cells in 200 g of the metal, if the density of metal is 2.5 g cm\(^{-3}\)?
The conductivity of 0.01 M salt solution is 1.061 × 10\(^{-4}\) S cm\(^{-1}\). What is molar conductivity of the solution?
What is the highest oxidation state possible for a transition element?
Heat of formation of H\(_2\)O is = -270 kJ mol\(^{-1}\). How much water can be decomposed by 675 kJ of heat?
Aniline on reaction with Bromine water at room temperature gives:
What is the value of dipole moment for HCl molecule?