19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The IUPAC name of the following compound is:
The IUPAC name of neopentane is
Which of the following species is a nucleophile? (a) CH O
Which of the following species is a nucleophile?
Nucleophile: ….?.... : : electrophile: electron seeking
Which of the following is a homocyclic alicyclic compound? (a) (b) (c) (d)
The compound having only primary hydrogen atoms is
The C—H bond distance is the longest in
C C : 4 ; C H :6 ; C C :1 ; C C :2 . These number of and bonds are present in which of the following molecule? Choose the correct option. (a) CH C CH CH CH (b) CH C CH CH (c) CH CH CH CH CH
Assertion: The C C distance is longer than C C distance Reason: Both C atoms in alkenes are sp2 hybridized.
Underlined carbon is sp3 hybridised in (a) CH CH CH (b) CH CH NH (c) CH CONH (d) CH CH CN
How many and bonds are present between carbon atoms in H C C CH CH is
In which of the following compounds, C has used sp2 orbital in making C—O bond? (a) (b) (c) (d)
C1—C2 bond of this molecule is formed by GENERAL ORGANIC CHEMISTRY
Which of the following statements is true about hybridization?
In the hydrocarbon, The state of hybridization of carbons 1,3,5 are in the following sequence:
The ratio of root mean square velocity to average velocity of a gas molecule at a particular temperature is
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