Chemistry Question Bank

Which nomenclature is not according to IUPAC system? (AIPMT 2012) (a) (b) (c) (d)

The correct IUPAC name for the compound is (AIPMT 2011)

The IUPAC name of the following compound is CH2 = C = CH — CH3 (CPMT 2011)

Which of the following species is not electrophilic in nature? (AIPMT 2010)

At room temperature, the eclipsed and staggered forms of ethane cannot be isolated because (AFMC 2010)

The total number of isomers of C4H7OH is (CPMT 2010)

Which of the following species is paramagnetic in nature? (CMC 2010)

Which of the following is the most stable carbocation? (CPMT 2010) (a) C H CH (b) CH C

The correct order of acidity of the following compounds is (CPMT 2010)

IUPAC nomenclature of is (AFMC 2010)

In the following the most stable conformation of n- butane is (AIPMT 2010) (a) (b) (c) (d)

Which of the following is an aromatic compound ? (AFMC 2009) (a) (b) (c) (d)

The number of metamers of the compound with molecular formula C4H10O is (AFMC 2009)

Which is the strongest acid ? (CPMT 2009)

When T, P, and M represent rate of diffusion pressure and molecules mass, respectively, the ratio of the rate of diffusion / A B T T of two gases A and B, is given as

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

Equal weights of methane and hydrogen are mixed in an empty container at 25ºC. The fraction of the total pressure exerted by hydrogen is

Equal weights of ethane and hydrogen are mixed in an empty container at 25ºC. The fraction of the total pressure exerted by hydrogen is

A cylinder is filled with a gaseous mixture containing equal masses of CO and N2. The partial pressure ratio is : (a) N CO P P (b) CO N P 0.875 P (c) CO N P 2 P (d) CO N P 1/ 2 P

16 gm of oxygen and 3 gm of hydrogen are mixed and kept in 760 mm presusre at 0oC. The total volume occupied by the mixture will be nearly

Equal weights of two gases of molecular weight 4 and 40 are mixed. The pressure of the mixture is 1.1 atm. The partial pressure of the light gas in this mixture is

The ratio of partial pressure of a gaseous component to the total vapour pressure of the mixture is equal to

3.2 g of oxygen (At. wt. = 16) and 0.2 g of hydrogen (At. wt. = 1) are placed in a 1.12 litre flask at 0ºC. The total pressure of the gas mixture will be

Which of the following mixtures of gases does not obey Dalton’s law of partial pressure ?

If three unreactive gases having partial pressures PA, PB and PC and their moles are 1, 2, and 3 respectively then their total pressure will be :