Hydrogen Test -...

Which of the following represents the chemical equation involved in the preparation of $$H_2O_2$$ from barium peroxide?

Metal hydrides are ionic, covalent or molecular in nature. Among $$LiH,\ NaH,\ KH,\ RbH$$ and $$ CsH$$, the correct order of increasing ionic character is:

Two structure of $$H_2O_2$$are drawn below. Identify the phase $$(X)$$ and $$(Y)$$ of $$H_2O_2$$.

$$ 5.0 cm^3 of H_2O_2 $$  liberates 0.508 g of iodine from an acidified KI solution. The strength of $$H_2O_2$$ solution in terms of volume strength at STP is:

What will be the strength of 20 vol of $$H_2O_2$$ in terms of gram per litre?

What willl be the mass of oxygen liberated by decomposition of 200 mL hydrogen peroxide solution with a strength of 34 g per litre? 

Which of the following reactions increases production of dihydrogen from synthesis gas? 

Which of the following information is true for structure of $$H_2O_2$$ in solid phase? 

HOTS 
The various types of hydrides and examples of each type are given below : 
      Hydride type                                         Compound
A Electron deficient                         i    LiH
B Saline                                          ii    $$CH_{4}$$
C Electron-precise                         iii    $$NH_{3}$$
D Interstitial                                    iv    $$B_{2}H_{6}$$
E Electron rich                                v     CrH
Choose the correct matching from the code given below :

Match list I with list II. Choose the correct matching codes from the choices given. 
     List I                                                 List II
   (Hydride)                                    (Type of hydride)
A. $$BeH_{2}$$                        1.  Complex
B.. $$AsH_{3}$$                       2. Lewis acid
C. $$B_{2}H_{6}$$                   3. Interstitial
D. $$LaH_{3}$$                        4. Covalent
E. $$LiAlH_{4}$$                      5. Intermediate