Indian Institute of Technology Mumbai (IIT-M) 2006 Entrance Exams IIT Entrance Exams IIT Chemistry - Question Paper

(a) three atm

(b) six atm

(c) nine atm

(d) 15 atm



12. 5.40 g of an unknown gas at 27oC occupies the identical quantity as 0.14 g of hydrogen at 17oC and identical pressure. The molecular weight of unknown gas is :

(a) 79.8

(b) 81

(c) 79.2

(d) 72.0



13. X mL. of H2 gas effuses through a hole in a container in five seconds. The time taken for the effusion of the identical quantity of gas specified beneath under identical conditions is:

(a) 10 seconds : He

(b) 20 seconds : O2

(c) 25 seconds : CO

(d) 55 seconds : CO2



14. quantity occupied by molecules of 1 mole gas at NTP, every having a radius of 10-8 cm is :

(a) 220 litre

(b) 22.4 litre

(c) 10.09 mL

(d) 10.09 litre



15. 4 1 litre flasks are separately filled with gases hydrogen, helium, oxygen and ozone at the identical room temperature and pressure. The ratio of total number of atoms of these gases current in various flasks would be :

(a) one : one : one : 1

(b) one : two : two : 3

(c) two : one : two : 3

(d) three : two : two : 1

a few more....

1. the ratio of oxidation states of Br in potassium bromide to that in potassium bromate is

(1) +1/5

(2) -1/5

(3) -2/5

(4) +3/5



2. in the reaction , Al + Fe3O4 ------> Al2O3 + Fe. The

Number of electron transferred from reductant to

Oxidant is



(1) 8

(2) four

(3) 16

(4) 24



3 the weight of KOH in its 50 milli equivalent is

(1) 1.6

(2) 2.2

(3) 2.8

(4) 4.8



4. The numbers of neutrons in drops of water (20 Drops = one mL) at 4oc

(1) 6.023 x 1022 (2) 1.338 x 1022

Earning:   Approval pending.