Description : Identify A and B In following reaction, `H_2SO_4 + HBr to A + B + H_2O `
Last Answer : Identify A and B In following reaction, `H_2SO_4 + HBr to A + B + H_2O ` A. (A) `Br_2, SO_3` B. (B) ` ... C) `BrO_3^(-) , SO_3` D. (D) `Br_2 , SO_2`
Description : `K_2S_2O_8` , acidic `K_2S_2O_8` and acidic `MnO_2` oxidise `I^(-), Br^(-) , Cl^(-)` to `I_2 , Br_2 and Cl_2` , respectively. From the given data the
Last Answer : `K_2S_2O_8` , acidic `K_2S_2O_8` and acidic `MnO_2` oxidise `I^(-), Br^(-) , Cl^(-)` to `I_2 , ... gt I_2 gt Br_2` D. `Cl_2 gt K_2 S_2O_8 gt Br_2`
Description : A pungent smelling gas X after being dried by concentrated `H_2SO_4` was dissolved in water to give strongly acidic solution. The gas also gives dense
Last Answer : A pungent smelling gas X after being dried by concentrated `H_2SO_4` was dissolved in water ... `CO_2` from the solution of sodium hydrogencarbonates.
Description : `Cl_2 + NH_3` (excess) `to A+B`
Last Answer : `Cl_2 + NH_3` (excess) `to A+B` A. (A) One of the product Is also obtained by decomposition ... is used instead of `Cl_2`, one of product remain same
Description : `F_2 +"dil NaOH" to A + NaF + H_2O` `H_2O` + conc. NaOH `to` B + NaF + `H_2O` A and B respectively are :
Last Answer : `F_2 +"dil NaOH" to A + NaF + H_2O` `H_2O` + conc. NaOH `to` B + NaF + `H_2O` A and B respectively ... B. `O_2 and OF_2` C. Both `O_2` D. Both `OF_2`
Description : `F_2` reacts with `H_2O` as follows: `F_2+H_2O to H^(+) + F^(-) +O_2` Which of the following halogens shows same reaction but In opposite direction?
Last Answer : `F_2` reacts with `H_2O` as follows: `F_2+H_2O to H^(+) + F^(-) +O_2` Which of the following halogens shows ... ? A. `Br_2` B. `Cl_2` C. `I_2` D. All
Description : Write chemical equation reactions taking place when carried out with the help of (a) Iron reacts with steam (b) Magnesium reacts with dil HCl (c) Copper is heated in air. -Chemistry
Last Answer : This is the Answer.
Description : Consider the following set of reactions : `CHCl_(2)COOH+NaOHrarrCHCl_(2)COONa+H_(2)O " " Delta H_(1) = - 12830` Cal. `HCl + NaOH rarr NaCl + H_(2)O "
Last Answer : Consider the following set of reactions : `CHCl_(2)COOH+NaOHrarrCHCl_(2)COONa+H_(2)O " " Delta H_(1) = - 12830 ... H^(+) + OH^(-)` is `-13680`Cal.
Description : The product B of the following sequence of reactions is `C_(6)H_(5)CONH_(2) overset(Br_(2))underset(NaOH)toA overst(NaNO_(2)//HCl)underset(ul(" "0-5^(
Last Answer : The product B of the following sequence of reactions is `C_(6)H_(5)CONH_(2) overset(Br_(2))underset(NaOH)toA overst( ... 5^(@)C" "))toB` A. B. C. D.
Description : The products formed in the reaction of cumene with `O_(2)` followed by treatment with dil. HCl are :
Last Answer : The products formed in the reaction of cumene with `O_(2)` followed by treatment with dil. HCl are : A. B. C. D.
Description : `CH_(3)CH_(2)CH_(2)CONH_(2)` is boiled with aqueous NaOH, then the reaction mixture is acidified with HCl. The products obtained are
Last Answer : `CH_(3)CH_(2)CH_(2)CONH_(2)` is boiled with aqueous NaOH, then the reaction mixture is acidified with HCl. The ... CH_(3)CH_(2)CH_(2)COO^(-)+NH_(4)Cl`
Description : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_
Last Answer : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) ... )S_(4)O_(6)` (vi) `HClO_(4)`
Description : Addition of HCl to 3-methyl-1-pentene gives two products. One of these is 2-chloro-3-methylpentane. What is the other product? (a) 1-Chloro-3-methylpentane (b) 3-Chloro-3-methylpentane (c) 3-Chloro-2-methylpentane (d) 2-Chloro-2-methylpentane
Last Answer : 3-Chloro-3-methylpentane
Description : Products A and B formed in the following reactions are respectively :
Last Answer : Products A and B formed in the following reactions are respectively : A. B. C. D.
Description : The products of following sequence of reactions are
Last Answer : The products of following sequence of reactions are A. B. C. D.
Description : Give the products of the above reactions.
Last Answer : Give the products of the above reactions.
Description : in the following reactions , products A and B are:
Last Answer : in the following reactions , products A and B are: A. B. C. D.
Description : The major products formed in the following reactions is
Last Answer : The major products formed in the following reactions is A. B. C. D.
Description : In photosynthesis directly light driven reaction are called (A)_____ while some reactions are depends on the products of light reaction (ATP and NADPH
Last Answer : In photosynthesis directly light driven reaction are called (A)_____ while some reactions are depends ... and NADPH) conventinally called as (B)____
Description : Match the reactions listed in column-I with the products listed in column-II
Last Answer : Match the reactions listed in column-I with the products listed in column-II
Description : The products resulting from the atmospheric reactions of hydrocarbons and nitrogen oxides in the presence of sunlight are called
Last Answer : The products resulting from the atmospheric reactions of hydrocarbons and nitrogen oxides in the ... C. Tertiary pollutants D. Non-pollutants
Description : Which of the following reactions represent major products?
Last Answer : Which of the following reactions represent major products? A. B. C. D.
Description : Consider the following sequence of reactions: The products (B) and (C) are:
Last Answer : Consider the following sequence of reactions: The products (B) and (C) are: A. B. C. D.
Description : Answer: b, c, d Eosinophils constitute 1% to 3% of the leukocyte population of the bloodstream. They also reside in tissues and they exhibit phagocytic capabilities. They are less ... the cycle of events that result in recruitment and activation of inflammatory cells at sites of inflammation
Last Answer : Cellular injury from oxidants may be manifest by which of the following? a. Cell membrane lipid peroxidation b. DNA strand breaks c. Cytoskeletal disassembly d. ATP depletion
Description : Transfusions of blood products can be associated with a number of complications including immediate and delayed hemolytic reactions; nonhemolytic reactions; infectious disease transmission; and ... d. Routine impaired calcium supplementation is necessary during most massive transfusion episodes
Last Answer : Answer: a, c Immediate hemolytic reactions are usually caused by blood group ABO incompatibility although they may be caused by antigens of other blood group systems ... when associated with massive transfusion during complex intraoperative procedures such as thoracoabdominal aneurysm resection
Description : Kinetics is the study of: (1) The rate of chemical reaction (2) How fast the reactions go (3) The mechanisms and paths of the molecules take in joining from one reactant to products (4) All of these are correct
Last Answer : (4) All of these are correct Explanation: In chemistry, the study of rates and mechanisms of chemical processes and, of the factors on which they depend, is called kinetics. is the study of ... provides a very detailed picture of which bonds are broken and formed during the course of a reaction.
Description : Those reactions in which the products cannot react and give back the original reac- tants are called?
Last Answer : Irreversible reactions
Description : Pick out the wrong statement. (A) In a batch reactor, which is exclusively used for liquid phase reactions; temperature pressure and composition may vary with time (B) In a semi-batch reactor, ... system (D) In a continuous flow reactor, both the reactants and the products flow out continuously
Last Answer : (C) In a continuous flow reactor, uniform concentration cannot be maintained throughout the vessel even in a well agitated system
Description : A batch reactor is suitable for (A) Achieving cent percent conversion of reactants into products (B) Large scale gaseous phase reactions (C) Liquid phase reactions (D) Obtaining uniform polymerisation products in highly exothermic reactions
Last Answer : (C) Liquid phase reactions
Description : For multiple reactions, the flow pattern within the vessel affects the (A) Size requirement (B) Distribution of reaction products (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Which of the following reactions does not produce benzene as one of the products? (a) Treating benzenediazonium chloride with H3PO2 (b) Distilling phenol with zinc dust (c) Fusing sodium benzoate with NaOH (d) Fusing sodium benzenesulfonate with NaOH
Last Answer : Fusing sodium benzenesulfonate with NaOH
Description : In autocatalytic reactions, (A) One of the reactants acts as a catalyst (B) One of the products acts as a catalyst (C) Catalysts have very high selectivity (D) No catalyst is used
Last Answer : (B) One of the products acts as a catalyst
Description : In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol
Last Answer : a. Acid; Hydrogen Gas
Description : Which of the following(s) is/are the products of the light reactions of photosynthesis? A.ATP only B.NADPH only C.ATP and O2 only D.ATP, NADPH, and O2
Last Answer : D.ATP, NADPH, and O2
Description : Which of the following adverse drug reactions would you report to the Medicines and Healthcare Products regulatory Agency (MHRA) via the yellow card system for reporting? a) A patient ... started taking ramipril. d) A patient complains they have experienced diarrhoea since taking azilsartan.
Last Answer : d) A patient complains they have experienced diarrhoea since taking azilsartan.
Description : In protolytic reactions in which the reactants are much stronger as an acid and a base than the products, the proton transfer reaction: w) does not occur x) approaches completeness y) produces a much stronger acid and a much weaker base z) produces a much weaker acid and a much stronger base
Last Answer : ANSWER: X -- APPROACHES COMPLETENESS
Last Answer : All of these are correct