Hydrogen and its Compounds Important Questions:
Ques. Which of the following is not an endothermic reaction?
(a) Dehydrogenation
(b) Ethane to ethene
(c) Combustion of propane
(d) Change of chlorine molecule into chlorine atoms
Ques. Ordinary water is not used as a moderator in nuclear reactors because
(a) It cannot slow down fast moving neutrons
(b) It cannot remove the heat from the reactor core
(c) It absorbs the fast moving neutrons
(d) Of its corrosive action on the metallic parts of the nuclear reactor
Ques. When sodium propionate is heated with soda lime, the main product is
(a) Ethane
(b) Methane
(c) Propane
(d) Propane
Ques. Brackish water mostly contains
(a) Calcium chloride
(b) Barium sulphate
(c) Sodium chloride
(d) Mineral acids
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Ques. A mixture of 1-chloropropane and 2-chloropropane when treated with alcoholic KOH gives
(a) 1-propene
(b) 2-propene
(c) Isopropylene
(d) All the three
Ques. TiH1.73 is an example of
(a) Ionic hydride
(b) Covalent hydride
(c) Metallic hydride
(d) Polymeric hydride
Ques. Addition of HCl does not obey antimarkownikoff’s rule because
(a) It is a strong acid
(b) It is a gas
(c) Its bond energy is high
(d) Its bond energy is less
Ques. The volume strength of perhydrol is
(a) 20
(b) 30
(c) 100
(d) 10
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Ques. Shape of ethylene molecule is
(a) Tetrahedral
(b) Pyramidal
(c) Planar
(d) Linear
Ques. The solubility of an ionic compound is compared in heavy and simple water. It is
(a) Higher in heavy water
(b) Lower in heavy water
(c) Same in heavy water and simple water
(d) Lower in simple water
Ques. Ozonolysis of which one of the following will give two molecules of acetaldehyde
(a) 1-butene
(b) 2-butene
(c) 1-pentene
(d) 2-pentene
Ques. The element whose hydride contains maximum number of hydrogen per atom of the element is
(a) Na
(b) O
(c) B
(d) Si
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Ques. When ethylene bromide is treated with Zn, we get
(a) Alkane
(b) Alkene
(c) Alkyne
(d) All
Ques. Atomic hydrogen reacts with oxygen to give
(a) Almost pure water
(b) Almost pure hydrogen peroxide
(c) A mixture of water and hydrogen peroxide
(d) None of these
Ques. 2-Methylbutane on reacting with bromine in the presence of sunlight gives mainly
(a) 1-bromo-2-methylbutane
(b) 2-bromo-2-methylbutane
(c) 2-bromo-3-methylbutane
(d) 1-bromo-3-methylbutane
Ques. What is true about ice?
(a) Its density is more than water
(b) It is a good conductor of heat
(c) It is a thermal insulator
(d) Its density is less than water
Related: Hydrocarbons Questions / Answers
Ques. Which one of the following compounds does not form an ozonide
(a) Ethene
(b) Propyne
(c) Propene
(d) Propane
Ques. To prepare a pure sample of n-hexane using sodium metal as one reactant, the other reactant will be
(a) n-propyl bromide
(b) Ethyl bromide and n-butyl bromide
(c) Ethyl chloride and n-butyl chloride
(d) Methyl bromide and n -pentyl chloride
Ques. Which of the following is not linked with methane?
(a) Marsh gas
(b) Natural gas
(c) Producer gas
(d) Coal gas
Ques. Petroleum consists mainly of
(a) Aliphatic hydrocarbons
(b) Aromatic hydrocarbons
(c) Aliphatic alcohols
(d) None of these
Related: Important organic chemistry reactions Questions
Ques. Reaction of HBr with propene in the presence of peroxide gives
(a) Allyl bromide
(b) n-propyl bromide
(c) Isopropyl bromide
(d) 3-bromo propane
Ques. Anhydrous sodium acetate on heating with sodalime gives
(a) Acetic acid
(b) Methane
(c) Calcium acetate
(d) Ethane
Ques. Which of the following gases is used for welding
(a) Methane
(b) Ethane
(c) Acetylene
(d) Ethene
Ques. A salt producing hydrocarbon among these compounds is
(a) Ethane
(b) Methane
(c) Ethene
(d) Ethyne
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