BaO2 and ozone reacts to produce
Ba
Ba2O3
BaO
Ba(OH)3
C.
BaO
BaO2 and ozone reacts to produce BaO and oxygen.
BaO2 + O3 BaO + 2O2
A gas mixture contains O2 and N2 in the ratio of 1 : 4 by weight. The ratio of their number of molecules is
1 : 8
1 : 4
3 : 16
7 : 32
The de-Broglie wavelenght of a particle with mass 1 kg and velocity 100 m/s is
6.6 x 10-33 m
6.6 x 10-36 m
3.3 x 1033 m
3.3 x 10-36 m
The volume of a gas measured at 27C and 1 atm pressure is 10 L. To reduce the volume to 2 L at 1 atm pressure, the temperature required is
60 K
75 K
150 K
225 K
The change in entropy for the fusion of 1 mole of ice is [mp of ice = 273 K, molar enthalpy of fusion for ice= 6.0 kJ mol-1]
11.73 JK-1 mol-1
18.84 JK-1 mol-1
21.97 JK-1 mol-1
24.47 JK-1 mol-1