Which one of the following reactions does not form gaseous product
A. PbO2 + H2O2 →
B. Acidified KMnO4 + H2O2 →
C. PbS + H2O2 →
D. Cl2 + H2O2 →
In nuclear reactor, heavy water is used as a :
A. fuel
B. projectile
C. moderator
D. arrestor
Which of the following is an example of interstitial hydride
A. NH3
B. CH4
C. ZnH2
D. H2O
Electrolysis of X gives Y at anode. Vacuum distillation of Y gives H2O2. The number of peroxy (O-O) bonds present in X and Y respectively are :
A. 1 , 1
B. 1 , 2
C. zero, 1
D. zero, zero
How many 'ml' of perhydrol is required to produce sufficient oxygen which can be used to completely convert 2 lit of SO2 gas to SO3 gas
A. 10 ml
B. 5 ml
C. 20 ml
D. 30 ml