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Among these, I is the chain isomer of
Compare acidic strength:
GENERAL ORGANIC CHEMISTRY Canonical structures due to hyperconjugation in this molecule can be written as (a) (b)
How many hyperconjugable H-atoms does this molecule has?
Hyperconjugation occurs in (a) CH CH (b) CH CH CH (c) CH CH CH
Hyperconjugation occurs in (a) (b) (c)
Which of the following represents the case of hyperconjugation? (a) (b) (c)
The kind of delocalisation involving sigma bond orbitals is called
The volume-temperature graphs of a given mass of an ideal gas at constant pressure are shown below: (DUMET 2008) What is the correct order of pressure? (a) p p p (b) p p p (c) p p p (d) p p p
At constant temperature, in a given mass of an ideal gas
If 20 cm3 gas at 1 atm. is expanded to 50 cm3 at constant T, then what is the final pressure ? (a) 20 50 x (b) 50 20 x (c) x x
A gas of volume 100 cc. is kept in a vessel at pressure 104 Pa maintained at temperature 24ºC if now the pressure is increased to 105 Pa, keeping the temperature constant, then the volume of the gas becomes
At 25oC temperature and 730 mm pressure, 380 mL of dry oxygen was collected. If the temperature is held constant, what volume will be oxygen occupy at 760 mm pressure?
A gas at 298 K is shifted from a vessel of 250 cm3 capacity to that of 1L capacity. The final pressure of the gas will
300 ml of a gas at 27oC is cooled to –3oC at constant pressure, the final volume is
When gases are heated from 20 to 40ºC at constant pressure, their volumes
A sample of gas occupies 100 ml at 27oC and 740 mm pressure. When its volume is changed to 80 ml at 740 mm pressure, the temperature of the gas will be
A sample of gas has a volume of 0.2 lit measured at 1 atm pressure and 0oC. At the same pressure, but at 273K, its volume will become
A gas is initially at 1 atm pressure. To compress it to 1/4 th of its initial volume, assuming temperature to be constant pressure to be applied is
Gay-Lussac’s law of combining volume is applicable for those gases which on mixing :
The volume of ammonia obtained by the combination of 10 mL of N2 and 30 mL of H2 is :
What will be the minimum pressure required to compress 2 Litre of gas at 1 bar to 1 litre at 25oC?
A balloon is filled with hydrogen at room temperature. It will burst, if pressure exceeds 0.2 bar. If at 1 bar pressure the gas occupied 2.27 L volume, up to what volume can be balloon be expanded?
A relationship is obtained between density and pressure of a gas as follows
Which of the following represent Gay Lussac’s law? I. P constant T II. P T P T III. P V P V Choose the correct option.