Chemistry Question Bank

Which of the following reactions of hydrogen with non- metals represents Haber‟s process ? (a) heat 2H O 2H O; H 285.9kJmol -> (b) 673K,Fe 200atm 3H N 2NH ; H 92.6kJmol -> (c) hv H Cl 2HCl -> (d) 1100 C 2H C C…

The order of reactivity of halogens towards hydrogen is

If a mole of hydrogen molecule is heated to a high temperature, then which of the following reaction take place ? (a) 2 g g g H 436kJmol H H -> (b) 2 g 2 g 2H 820kJmol 2H -> (c) 2 g 2 g g g H H 436kJmol …

Which of the following statements is correct regarding hydrogen?

Which of the following properties of hydrogen is incorrect?

Which of the following is not a property of hydrogen?

Alkenes combine with carbon monoxide and hydrogen in presence of octacarbonyldicobalt as catalyst under high temperature and pressure to form

On burning hydrogen in air, the colour of flame is

The chemical reactions of dihydrogen are accomplished by

Hydrogenation of vegetable oils using nickel as a catalyst gives edible fats which is/are known as

Dihydrogen forms three types of hydrides. (i) hydrides are formed by alkali metals and alkaline earth metals. (ii) hydrides are formed by non-metals and (iii) hydrides are formed by d and f-block elements at elevated …

Which of the following gas in insoluble in water?

Name the gas, which is colourless, odourless, tasteless, combustible, lighter than air and insoluble in water.

ZnO Cu CO H ->product. Identify the product formed in the given reaction. (a) CH COOH (b) CO (c) C O (d) CH OH

Which property of hydrogen is shown by the following reactions ? (i) Fe3O4 + 4H2 -> 3Fe + 4H2O (ii) CO + H2 -> O ZnO Cr CH3OH

Which of the following reactions increases the production of dihydrogen from synthesis gas? (a) 1270K Ni CH g H O CO g 3H g -> (b) 1270K C g H O CO g H g -> (c) 673K catalyst CO g H O CO g H g -> (d) 12…

Para and ortho hydrogen differ in (RPMT 2010)

What is the trend of boiling points of hydrides of N, O and F?

Why does H+ ion always get associated with other atoms or molecules?

Which of the following statement is correct regarding properties of hydrogen?

Hydrogen does not possess the metallic characteristics under normal conditions because

Pure nascent hydrogen is best obtained by

Very pure hydrogen (99.9%) can be made by which of the following processes?

Which of the following metals does not liberate hydrogen from acids?

Which of the following represent laboratory preparation of dihydrogen?