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Given below are the elements and the type of hydrides formed by them. Mark the incorrect match.
Which property of hydrogen is shown by the following reactions ? (i) Fe3O4 + 4H2 -> 3Fe + 4H2O (ii) CO + H2 -> O ZnO Cr CH3OH
Alkenes combine with carbon monoxide and hydrogen in presence of octacarbonyldicobalt as catalyst under high temperature and pressure to form
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 …
The order of reactivity of halogens towards hydrogen is
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…
Which of the following statements is correct regarding hydrogen?
On burning hydrogen in air, the colour of flame is
Which of the following is not a property of hydrogen?
Which of the following properties of hydrogen is incorrect?
Assertion (A): The crystalline form of water is ice. Reason (R): At atmospheric pressure ice crystallizes in the hexagonal form but at very low temperature it condenses to the cubic form.
In complex hydrides, hydride ions act as ligand and are coordinated to metal ions. These hydrides are good reducing agents. Which of the following hydrides is not complex hydride ?
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 of the following gas in insoluble in water?
From group 6 only one metal forms hydride. This metal is
What is the trend of boiling points of hydrides of N, O and F?
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 …
On moving from left to right in a period what is the order of acidic character of hydrides?
Hydrogenation of vegetable oils using nickel as a catalyst gives edible fats which is/are known as
The chemical reactions of dihydrogen are accomplished by
Non-stoichiometric hydrides are produced by
Name the gas, which is colourless, odourless, tasteless, combustible, lighter than air and insoluble in water.
Why does H+ ion always get associated with other atoms or molecules?
Point out the element which has simplest atomic structure among all the elements around us in nature.
In atomic form, hydrogen consists of…….X…… proton and ……..Y…… electron. X and Y are