421 Hydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be_______________? Chemistry Medium Full question → A 16 gmol-1 B 32 gmol-1 C 48 gmol-1 D 64 gmol-1
422 The kinetic molecular theory of gases was put forward in 1738 by _____________________? Chemistry Medium Full question → A Boltzman B Maxell C Clausius D Bernoulli
423 Which one is not the partial pressure of oxygen in the lungs ? Chemistry Medium Full question → A 0.1526 atm B 116 mm of Hg C 116 torr D 1 atm
424 One mole of an ideal gas at 546.5 K under 2 atm pressure has a volume of________________? Chemistry Medium Full question → A 22.414 m3 B 44.828 dm3 C 22.414 dm3 D 11.212 cm3
425 If 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear ________________? Chemistry Medium Full question → A Straight line parallel to x-axis B Straight line parallel to y-axis C Straight line D Curve
426 The solid particles only posses_____________________? Chemistry Medium Full question → A Translational motion B Vibrational motion C Rotational motion D All of above motions
427 Which state of matter has the lowest density ? Chemistry Medium Full question → A Gas B Liquid C Solid D Plasma
428 What is the simplest form of matter ? Chemistry Medium Full question → A Gas B Liquid C Solid D Semi solid
429 Critical temperature for different gases is different and depends upon______________? Chemistry Medium Full question → A Size of molecule B Shape of molecule C Intermolecular attractions D All of the above
430 The diffusion of gases at absolute zero will be________________? Chemistry Medium Full question → A Unchanged B Slightly decreased C Slightly increased D Zero
431 At constant temperature the pressure of an ideal gas is doubled its density becomes_______________? Chemistry Medium Full question → A Half B Double C Same D None
432 The introduction of Kelvin scale in thermodynamic is according to_______________? Chemistry Medium Full question → A Boyles law B Charles law C Daltons law D Grahams law
433 Which one has the lowest density at room temperature ? Chemistry Medium Full question → A Ne B N2 C NH3 D CO
434 Under what conditions the gases deviate from the ideal behavior ? Chemistry Medium Full question → A High temperature B Low temperature C High pressure D B and C
435 Ideal gasses have all the following characteristics except ? Chemistry Medium Full question → A Absence of intermolecular forces B Collisions among the molecules of an ideal gas are perfectly elastic C The molecules occupy no space D All of the above are correct
436 Which of the following is not considered as an intermolecular force between molecules ? Chemistry Medium Full question → A Coordinate covalent bonds B Hydrogen bonds C Debye forces D London dispersion forces
437 What is the relative rate of effusion of CO and CO2 ? Chemistry Medium Full question → A CO is 1.25 times faster than CO2 B CO is 3.75 times faster than CO2 C CO is 1.25 times faster than CO D Both diffuse at the same rate
438 on sp3 hybridization ________________? Chemistry Medium Full question → A All p-orbitals are involved B One s and 3 p-orbitals are involved C one p-orbital is involved D four p-orbitals are involved
439 Product of charge and distance is called__________________? Chemistry Medium Full question → A Pressure B Bond length C Work D Dipole moment
440 Unpaired electron in a molecule gives ______________ character ? Chemistry Medium Full question → A Ferromagnetic B Paramagnetic C Diamagnetism D Both A & B