Description : For a disproportionation reaction the only correct combination is -
Last Answer : For a disproportionation reaction the only correct combination is - A. (I) (ii) (R) B. (II) (ii) (Q) C. (IV) (i) (S) D. (III) (ii) (Q)
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 : Sodium reacts with water to form sodium hydroxide and hydrogen gas. The balanced equation which represents the above reaction is (a) Na(s) + 2H20(l) → 2NaOH(aq) + 2H2(g) (b) 2Na(s) + 2H2O(l) → 2NaOH(aq) +H2(g) (c) 2Na(s) + 2H20(l) → NaOH(aq) + 2H2(g) (d) 2Na(s) + H20(l) - 2NaOH(aq) + 2H2(g)
Last Answer : Answer: (b)
Description : What Sodium (Na) and water (H2O) undergo a chemical reaction that produces sodium hydroxide (NaOH and hydrogen gas (H2). Which equation represents this chemical reaction?
Last Answer : 2Na+2H20->2Na0H+H2 ::::apex
Description : summary reaction represents pyruvate oxidation?
Last Answer : Need Answer
Description : Which of the following graph of potential energy represents the unimolecular elimination reaction ?
Last Answer : Which of the following graph of potential energy represents the unimolecular elimination reaction ? A. B. C. D.
Description : Among the following for which reaction heat of reaction represents bond energy of HCl
Last Answer : Among the following for which reaction heat of reaction represents bond energy of HCl A. `HCl(g)rarr H^(+)(g)+Cl^( ... (g)` D. `HCl(g)rarr H(g)+Cl(g)`
Description : Which of the following represents an exothermic reaction :-
Last Answer : Which of the following represents an exothermic reaction :- A. `N_(2)(g)+O_(2)(g)rarr 2NO(g), Delta H=180. ... 2)(g)rarr 2ZnO(s), Delta E = -693.8 KJ`
Description : Which of the following reaction represents the oxidising behaviour of `H_(2)SO_(4)` :-
Last Answer : Which of the following reaction represents the oxidising behaviour of `H_(2)SO_(4)` :- A. `2PCl_(5)+H_(2)SO_( ... H_(2)SO_(4)rarrI_(2)+SO_(2)+2H_(2)O`
Description : The reaction `._(92)U^(235) + ._(0)n^(1) rarr ._(56)Ba^(140) + ._(36)Kr^(93) + 3 ._(0)n^(1)` represents a)Artificial radioactivity b)Nuclear fission c
Last Answer : The reaction `._(92)U^(235) + ._(0)n^(1) rarr ._(56)Ba^(140) + ._(36)Kr^( ... radioactivity B. nuclear fission C. nuclear fussion D. none of the above
Description : What does Cl plus H 2HCl This represents a reaction.?
Last Answer : The reaction is:H2 + Cl2 = 2 HCl
Description : If curve X in the graph (below) represents no inhibition for the reaction of the enzyme with its substrates, the curve representing the competitive inhibition, of the same reaction is (A) A (B) B (C) C (D) D
Last Answer : Answer : A
Description : The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents? A. B. C ds DNA 3 5 5 3 ... - extension in the presence of heat stable DNA polymerase (d) A - annealing with two sets of primers
Last Answer : (c) C - extension in the presence of heat stable DNA polymerase
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 : Given below equation represents: H 2 (g) + O 2 (g) H 2 O (l) (a) skeleton chemical reaction (b) skeletal chemical equation (c) chemical equation (d) none of the above
Last Answer : (b) skeletal chemical equation
Description : Arrhenius equation represents graphically the variation between the __________ and temperature. (A) Rate of reaction (B) Frequency factor (C) Rate constant (D) Activation energy
Last Answer : (C) Rate constant
Description : Unreacted core model' represents the reaction involving (A) Combustion of coal particles (B) Roasting of sulphide ores (C) Manufacture of carbon disulphide from elements (D) None of these
Last Answer : (B) Roasting of sulphide ores