Description : Which of the following change represents a disproportionation reaction (s) :
Last Answer : Which of the following change represents a disproportionation reaction (s) : A. `Cl_(2)+2OH^(-)rarrClO^(-)+Cl^ ... 4Cl^(-)+2H^(+)` D. All of the above
Description : Show that F cannot undergo Disproportionation reaction?
Last Answer : Ans. F is most electronegative element and cannot possess three oxidation states. Hence it cannot undergo disproportionation reactions.
Description : Which of the following examples does not represent disproportionation ?
Last Answer : Which of the following examples does not represent disproportionation ? A. `MnO_(2)+4HClrarrMnCl_(2)+Cl_ ... 3Cl_(2)+6NaOHrarr5NaCl+NaClO_(3)+3H_(2)O`
Description : During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline medium is
Last Answer : During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline ... `5:1` C. `3:1` D. `1:3`
Description : Monohalides of selenium are dimeric in nature. Selenium monochloride undergoes disproportionation to give Se and another compound X. The Geometry of X
Last Answer : Monohalides of selenium are dimeric in nature. Selenium monochloride undergoes disproportionation to give Se ... C. See - saw D. Trigonal phyramidal
Description : Explain the disproportionation nature of decomposition of Hydrogen peroxide?
Last Answer : Ans. Decomposition of hydrogen peroxide produces water and oxygen. O.N Increases as well as decreases.
Description : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT combination that gives two diff
Last Answer : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT ... )(i)(S) D. (III)(iii)(P)
Description : The only CORRECT combination in which the reaction proceeds through radical mechanism is
Last Answer : The only CORRECT combination in which the reaction proceeds through radical mechanism is A. (IV)(i)(Q) B. (III)(ii)(P) C. (II)(iii)(R) D. (I)(ii)(R)
Description : Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved? (a) Displacement reaction (b) Precipitation reaction (c) Combination ... Only (A) B) Only (B) C) Only (D) D) (B) & (D)
Last Answer : D) (B) & (D)
Description : Which one of the following statements is not correct ? (A) Business firms combine to avoid wasteful competition (B) Business combination is possible only among joint stock companies (C) Business ... firms (D) During economic depression, small firms are absorbed by financially sound large firms
Last Answer : Answer: Business combination is possible only among joint stock companies
Description : 134 Given below are the statements about the harmful effects of weeds on crop plants. i. They interfere in harvesting ii. They help crops to grow healthy. iii. They compete with crop plants for water, nutrients , space and light ... statements a) i, iii, iv b)iii only c) iii , iv d) i, ii , iii, iv
Last Answer : a) i, iii, iv
Description : The following is correct about antipsychotic drugs except: A. They only control symptoms of schizophrenia without affecting the basic disorder B. Combination of two or more antipsychotic drugs is ... psychosis high potency drugs are preferred over low potency drugs D. They donot produce dependence
Last Answer : B. Combination of two or more antipsychotic drugs is more efficacious than any single drug
Description : Can you change the lock combination on the Kenneth Cole Reaction Attache Briefcase?
Last Answer : Yes. It comes with directions that makes it easy to do.
Description : A combination reaction occurs when two or more reactants form one product T or F?
Last Answer : T
Description : The working of a dry cell is based on - (1) Decomposition reaction (2) Spontaneous oxidation-reduction reaction (3) Combination reaction. (4) Electrolysis
Last Answer : (4) Electrolysis Explanation: A dry cell is a type of battery that uses a paste electrolyte, with only enough moisture to allow current to flow. It works in accordance with Faraday's law of ... of the cell (the positive electrode), and the space between them is filled with an electrolyte paste.
Description : Zn + 2 HCl = H2 + ZnCl, is an example of which type of reaction? (1) Double displacement reaction (2) Combination reaction (3) Single displacement reaction (4) Decomposition reaction
Last Answer : (3) Single displacement reaction Explanation: This reaction is an example of single displacement reaction. In Substitution or Single Replacement Reactions, a single free element replaces or is substituted for one of the elements in a compound.
Description : COMBINATION REACTION
Last Answer : COMBINATION REACTION: When two or more substances combine to form single product. It is said to be combine reaction. E.g. By combining Iron and Sulphur. We will get Iron sulphide
Description : Reaction of substance X with water is (a) Decomposition reaction (b) Combination reaction (c) Displacement reaction (d) Double displacement reaction
Last Answer : (b) Combination reaction
Description : In the reversible reaction of the type, A + B ⇌ AB, in general (A) Both forward and backward reactions will be exothermic (B) Neither of the reactions will be endothermic (C) ... will be endothermic (D) The combination reaction will be endothermic, while the dissociation reaction will be exothermic
Last Answer : (C) The combination reaction will be exothermic, while the dissociation reaction will be endothermic
Description : The total change in the enthalpy of a system is independent of the (A) Number of intermediate chemical reactions involved (B) Pressure and temperature (C) State of combination and aggregation in the beginning and at the end of the reaction (D) None of these
Last Answer : (A) Number of intermediate chemical reactions involved
Description : The working of a dry cell is based on (1) Decomposition reaction (2) Spontaneous oxidation-reduction reaction (3) Combination reaction (4) Electrolysis
Last Answer : Electrolysis