Hydrogen Test -...

During hydrate formation from aqueous solution water can be associated in different forms. Indicate the wrong combination. 
Coordinated water -$$[Cr(H_{2}O)_{6}]^{3+}3Cl^{-}$$
Interstitial water - $$BaCl_{2}.2H_{2}O$$
Hydrogen bonded water --$$[Cu(H_{2}O)_{4}]^{2+}SO_{4}^{2-}.H_{2}O$$

Given below are the elements and the type of hydrides formed by them mark the incorrect match.

The oxide that gives $$H_2O_2$$ on treatment with dilute $$H_2SO_4 $$ is:

Only one element of ________ forms hydride. 

Hydrogen peroxide is obtained by the electrolysis of:

Which of the following hydrides is electron-precise hydride?

When a substance reacts with water and breaks into acids and bases the process is called:

Bentonite, a clay of alumina-silica, is dropped from aeroplanes in the form of a slurry with water for the purpose of:

Elements of which of the following group (s) of periodic table do not form hydrides?

The oxidising property of $$H_2O_2$$ is best explained by assuming that two oxygen atoms in its molecule are_______