Covalent hydride among the following is -
1.
2.
3.
4.
Reaction among the following where acts as a reducing agent is-
a.
b.
c.
d.
1. a, b
2. c, d
3. a, c
4. b, d
Decolourisation of acidified potassium permanganate by is due to:
1. Oxidation of
2. Reduction of
3. Both oxidation and reduction of
4. None of the above.
For the bleaching of hair, the substance used is:
1.
2. Bleaching powder
3.
4.
The oxidising nature of is shown in the reaction-
1.
2.
3.
4.
The correct statement among the following regarding H2O2 is-
1. Two hydrogen atoms are connected to one oxygen atom.
2. All the four atoms are in the same plane.
3. The four atoms are arranged in a non-linear and non-planar manner.
4. O-H bonds are polar but the molecule is non-polar.
act as a reducing agent in :
1. Reaction with a ferrous salt.
2. Reaction with iodides.
3. Reaction with lead sulphide.
4. Reaction with in an acid medium.
The role of when added to a solution containing is of-
1. An oxidizing agent
2. A reducing agent
3. Both as an oxidizing as well as a reducing agent
4. None of the above
is stored in:
1. Iron container after the addition of stabilizer
2. Glass container after the addition of stabilizer
3. Plastic container after the addition of stabilizer
4. None of the above
Calcium carbide with heavy water generates-
1.
2.
3.
4.