When Mg3N2 is subjected to deuterolysis, the product obtained is
Hydrogen has three isotopes: protium, deuterium, and tritium. Which of them is radioactive and emits beta particles ?
Heavy hydrogen is also called
Match the following.
Hydrogen is the first element in the periodic table and has resemblance to alkali metals as well as with halogens. However, its placement in the periodic table has been a subject of discussion in the past. Currently hydrogen is placed in which group?
Dihydrogen reacts with dioxygen to form water. The reaction is.
Which of the following products are obtained when electricity is passed through acidified water?
Hydrogen has the simplest atomic structure among all the elements around us in Nature. Its electronic configuration is
Which of the following is not correct regarding the electrolytic preparation of H2O2?
Which of these hydrogen halides forms salts like KHX2 (where X is a halogen atom)?
Which of the following processes will produce permanent hard water?
The ionisation energy of hydrogen is
When a substance A reacts with H2O, it produces a combustible gas B and solution of C in water. When another substance D reacts with this solution of C, it produces the same gas B on warming. But D can produce the same gas B on reaction with dil. H2SO4 at room temperature. A imparts golden yellow colour to Bunsen flame. A, B, C and D respectively are
On shaking H2O2 with acidified potassium dichromate and ether, ethereal layer becomes
For the laboratory preparation of H2O2,
Which of the following substances is formed when dihydrogen reacts with CO at 700 K in the presence of ZnO/Cr2O3 (catalyst)?
When hydrogen peroxide is added to an acidified solution of potassium dichromate, a blue colour is produced due to the formation of
How many hydrogen bonds are formed by one water molecule in ice?
Which of the following are the products of the reaction of aluminium with boiling water?
Which of the following is used as a moderator in nuclear reactors?
Hydrogen is unique in behaviour because of its
In the earth’s atmosphere, hydrogen exists in the form of
Directions: The following question has four choices out of which ONLY ONE is correct.Electrolysis of a hydrochloric acid solution produces
The three isotopes of hydrogen in terms of chemical properties show one of the following properties
O2F2 molecule resembles H2O2 in
Directions: The following question has four choices out of which ONLY ONE is correct.Which of the following is not a method of commercial production of dihydrogen?
The giant planets Jupiter and Saturn consist mostly of
Which of the following processes is not used for concentration of hydrogen peroxide?
Which of the following cannot be used for water softening?
For the synthesis of methanol and a number of hydrocarbons , the compounds used are
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