Non-stoichiometric compounds of transition elements are
hydrates hydrides binary compounds interstitial compounds
Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution ?
0.0002M HCI 0.2 mole of NaCI with 0.2 mole of HNO3 0.4 mole of CH3COOH with 0.4 mole of NaOH …
Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?
2.0 x 10-10 mol dm-3 1.414 x 10-5 mol dm-3 1.0 x 10-10 mol dm-3 1.0 x 10-5 mol dm-3
Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?
primary alcohol secondary alcohol tertiary alcohol dihydric alcohol
The cooling of molten urea by air in the tower is called______________________?
prilling evaporation condensation crystallization
Which of the following is the most suitable catalyst for ammonia synthesis ?
Pt ZnO + Cr2O3 Fe in fused mixture of Al2O3 + SiQ2 + MgO All of the above
The molecules of CO2 in dry ice form__________________?
Ionic crystal Covalent crystal Molecular crystal Any type of crystal
Which one of the following statement is not correct about benzene ?
On hydrogenation 208 KJ/mole is liberated C-H bond length in benzene is 1.09 A? Molecular mass of benzene is 78.108 …
Which of the following option is incorrect about gases ?
All molecules move with same speed All molecules behave independently PV / RT = n All gases cannot be liquefied …
What do we call to sudden expansion of plasma ?
Avogadros law Grahams law of diffusion Joule Thompson effect Daltons law of partial pressure