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 : Which of the reactions between the following pairs of reagents proceeds by a mechanism that may be described as an electrophilic substitution? (a) Benzene + Br2/FeBr3 (b) Propene + Br2 (c) Acetone + NH2NH2 (d) Ethyl bromide + aq KOH
Last Answer : Benzene + Br2/FeBr3
Description : In which amongs the following product is formed by free radical mechanism ?
Last Answer : In which amongs the following product is formed by free radical mechanism ? A. (I) (ii) (P) B. (IV) (ii) (Q) C. (II) (iii) (Q) D. (III) (iii) (P)
Description : Addition polymerisation takes place either by a free radical mechanism or ionic mechanism depending on the reagents used. Free radical polymerisation is catalyzed by __________, which decompose to give free radicals. (A) Organic peroxides (B) Sulphuric acid (C) Hydrofluoric acid (D) None of these
Last Answer : (A) Organic peroxides
Description : Why should we always use purest monomer in free radical mechanism ?
Last Answer : Ans. Monomer has to be as pure as possible because the presence of any other molecule during free radical polymerisation can act chain initiator or inhibitor which will interfere with the normal polymerisation reaction.
Description : In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds. (A) Catalytic (B) Parallel (C) Series (D) Auto catalytic
Last Answer : (D) Auto catalytic
Description : The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. (A) Autocatalytic (B) Exothermic (C) Endothermic (D) Autothermal
Last Answer : (A) Autocatalytic
Description : Which of the following characterizes the reactions of aldehydes and ketones? (a) electrophilic addition (b) electrophilic substitution (c) nucleophilic acyl substitution (d) nucleophilic addition; free radical addition
Last Answer : nucleophilic addition; free radical addition
Description : Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is (A) Nylon-66 (B) Teflon (C) Polyester (D) Bakelite
Last Answer : (B) Teflon
Description : Write the name of reagent use for initating a free radical chain reaction.
Last Answer : Ans: Tertiary Butyle peroxaide.
Description : What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene? (a) It serves as a radical initiator to produce the chlorine radical needed to propagate the ... by reacting with the Cl2 and thereby activates it toward attack by benzene's π electrons.
Last Answer : It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene’s π electrons.
Description : The above trasformation proceeds through:
Last Answer : The above trasformation proceeds through: A. electrophilic addition B. benzyne intermediate C. activated nucleophilic substitution D. elimination
Description : The cost impact of a risk event occurring as a project proceeds through its life cycle tends to A. Slowly rise B. Slowly drop C. Drop sharply and then level out D. Rise sharply and then level out
Last Answer : A. Slowly rise
Description : The minimax algorithm computes the minimax decision from the current state. It uses a simple recursive computation of the minimax values of each successor state, directly implementing the defining equations. The ... are backed up through the tree as the recursion unwinds. a) True b) False
Last Answer : a) True
Description : Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in ... ) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.
Last Answer : (d) the genetic code is universal.
Description : Which one of the following statements regarding a catalyst is not correct? A An enzyme is a catalyst that only binds certain substrates. B An enzyme is a protein that is a highly ... increasing the activation energy. D Catalysts do not alter the equilibrium constant for a chemical reaction.
Last Answer : C Catalysts increase the rate of a reaction by altering the mechanism, thereby increasing the activation energy.
Description : The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes ... peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria
Last Answer : Ans: B
Description : Overall rate of reaction in a heterogeneous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of ... to (B) Independent of (C) Inversely proportional to (D) Proportional to the square o
Last Answer : (A) Proportional to
Description : The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes ... peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria
Last Answer : B. They bind to 30S ribosomes and inhibit bacterial protein synthesis
Description : Define following terms (i) Kinematic link (ii) Kinematic pair (iii) Kinematic chain (iv) Mechanism (v) Machine (vi) Inversion
Last Answer : (i) Kinematic link: Each part of a machine, which moves relative to some other part, is known as a kinematic link. (ii) Kinematic pair: The two links or elements of a machine, ... obtaining different mechanisms by fixing different links in a kinematic chain is known as inversion of the mechanism.
Description : how does biomass in a community change as succession proceeds -General Knowledge
Last Answer : increases is the answer.
Description : Photosynthesis proceeds in which sequence? -Do You Know?
Last Answer : answer:
Description : LIST OF REAL ESTATE WITH SURPLUS PROCEEDS
Last Answer : Need Answer
Description : Kavya bought 300, Rs. 50 shares paying a dividend of 8%. If she sold them when the price rose to Rs. 90 and invested the proceeds in 10%, Rs. 50 share
Last Answer : Kavya bought 300, Rs. 50 shares paying a dividend of 8%. If she sold them when the price rose to ... . 30, then find the change in her annual income.
Description : If `Delta H gt 0` and `Delta S gt 0`, the reaction proceeds spontaneously when :-
Last Answer : If `Delta H gt 0` and `Delta S gt 0`, the reaction proceeds spontaneously when :- A. `Delta H gt 0` B. ... Delta S` C. `Delta H = T Delta S` D. None
Description : At a certain temperature T, the endothermic reaction `A rarr B` proceeds almost to completion.The entropy change is :
Last Answer : At a certain temperature T, the endothermic reaction `A rarr B` proceeds almost to completion.The entropy ... `Delta S gt 0` D. Cannot be predicted
Description : If spermatogenesis proceeds rapidly, inhibin is released. Inhibin reduces secretion of
Last Answer : If spermatogenesis proceeds rapidly, inhibin is released. Inhibin reduces secretion of A. ... Testerone D. Interstitial cell stimulating hormone.
Description : My mom set up a testamentary trust for her property 6 years ago. Two months later she suffered a fall with resulting brain injury. The property has been sold in the past 6 months-can the proceeds go to her care or must it go to the beneficiaries. ?
Last Answer : Her bills need to be paid first.
Description : Which one of the following provides the correct sequence of occurrence of four towns/cities as one proceeds from west to east? (a) Rajkot, Baroda, Kharagpur, Bilaspur (b) Bikaner, Aligarh, Darbhanga, Nowgong (c) Indore, Rourkela, Agartala, Jamshedpur (d) Nasik, Aurangabad, Berhampur, Nanded
Last Answer : Ans: (b)
Description : Which one of the following shows the correct sequence of occurrence of the following towns/cities as one proceeds from west to east? (a) Ajmer, Darbhanga, Kohima, Sikhar (b) Surat, Ward ha, ... (c) Pandharpur, Gulbarga, Kottagudem, Vishakhapatnam (d) Anand, Rajkot, Dhanbad, Aizawl shop.ssbcrack.com
Last Answer : Ans: (c)
Description : As thrombin generation proceeds, the body has natural anticoagulant systems opposing further thrombus formation. Natural anticoagulants include: a. Tissue plasminogen activator (TPA) b. Antithrombin III c. Activated protein C d. Heparin cofactor II
Last Answer : Answer: b, c, d Just as thrombin generation is the key to coagulation, antithrombin III is the most central anticoagulant proteins. This glycoprotein binds to thrombin, preventing its removal of ... in the body. Therefore, TPA is part of the fibrinolytic system rather than a natural anticoagulant
Description : The Finance Commission is mainly concerned with recommending to the President about – (1) distributing net proceeds of taxes between the Centre and the States (2) principles Governing the grantsin-aid to be given to States (3) both (1) and (2) (4) neither (1) and (2)
Last Answer : (3) both (1) and (2) Explanation: The Finance Commission is constituted to make recommendations to the President about the distribution of the net proceeds of taxes between the Union and States ... between the Union and the States. They also deal with devolution of non-plan revenue resources.
Description : Which of the following taxes are levied and collected by the centre but their net proceeds are wholly transferred to states? (1) Expenditure Tax and Gift Tax (2) Additional Duties of Excise in lieu of Sales Tax (3) Stamps and Registration (4) Taxes on Advertisement
Last Answer : (4) Taxes on Advertisement Explanation: Apart from taxes levied and collected by the States, the Constitution has provided for the revenues for certain taxes on the Union List to be allotted ... exchanges and future markets; and Taxes on sale and purchase of newspapers and advertisements therein.
Description : The sale proceeds of Government Bonds come under the budget head of - (1) Revenue Receipts (2) Current Expenditure (3) Capital Outlay (4) Capital Receipts
Last Answer : (4) Capital Receipts Explanation: Capital receipts are the funds received into the businesses that are not part of the operating activities of the establishment. Capital receipts primarily include external ... furniture, investment (long term) etc., which shall not be occurring all the time.
Description : If , within two years from the date of the attachment, any person whose property is or has been at the disposal of the state Govt, appears voluntarily, and proves to the satisfaction of such ... of the sale will be delivered to the person after deducting the court expense d) None of these
Last Answer : a) Such property, or if the same has been sold, the net proceeds of the sale, or if party only thereof has been sold, the net to be delivered to him
Description : Which fundamental principle is seriously threatened by an engagement that is compensated based on the net proceeds on loans received by the client from a commercial bank? a. Integrity b. Objectivity c. Professional behavior d. Confidentiality
Last Answer : Objectivity
Description : Ethically, the auditor could: a. Advertise only as to his expertise in preparing income tax returns. b. Base his audit fee on a percentage of the proceeds of his client's stock issue. c. Perform ... at less than his customary fees. d. Own preferred stock in a corporation which is an audit client.
Last Answer : Perform an examination for a financially distressed client at less than his customary fees.
Description : Final disposal of undelivered postal articles a) Letters and postcards shall be destroyed b) Money or saleable property, not being of a perishable nature, found in any undelivered postal article, shall be ... property, be sold, the sale-proceeds being credited to the Post Office. e) All the above
Last Answer : e) All the above
Description : As the chemical reaction proceeds, the rate of reaction (A) Increases (B) Decreases (C) Remain same (D) May increase or decrease depending on the type of reaction
Last Answer : (B) Decreases
Description : Pick out the wrong statement. (A) In a first order reaction, A → products; the reaction becomes slower as it proceeds, because the concentration of A decreases and the rate is proportional to the concentration ... irreversible reaction, A + B → 2C is k.CA .CB , then the reaction is always elementary
Last Answer : (C) According to the penetration theory, the mass transfer co-efficient decreases, if the exposure time of an eddy to the solute decreases
Description : Pick out the wrong statement. (A) For a first order consecutive reaction, a tubular flow reactor as compared to a stirred tank reactor provides higher overall selectivity(B) For an ideal ... D) Reaction rate does not decrease appreciably as the reaction proceeds in case of an autocatalytic reaction
Last Answer : (A) For a first order consecutive reaction, a tubular flow reactor as compared to a stirred tank reactor provides higher overall selectivity
Description : Dehydrohalogenation of 2-bromobutane in the presence of a strong base proceeds via which of the following mechanistic pathways? (a) SN1 (b) SN2 (c) E1 (d) E2
Last Answer : E2
Description : Chlorination of an alkane as compared to bromination proceeds (a) at a slower rate (b) at a faster rate (c) with equal rates (d) with equal or different rate depending upon the source of alkane
Last Answer : at a faster rate
Description : Photosynthesis proceeds in which sequence? —
Last Answer : Light phase and dark phase
Description : In the method of condensation polymerization, (A) Low-molecular substances are removed from the high molecular substance (B) The reaction proceeds with an evolution of ammonia (C) The reaction proceeds with an evolution of hydrogen chloride (D) All of the above
Last Answer : Answer: Option D
Description : Under the Insolvency and Bankruptcy Code, 2016, the fees of the liquidator is paid from the proceeds of sale of the ____________of the corporate debtor. a) unencumbered liabilities b) liquidation assets c) liquidation fund d) unencumbered reserves
Last Answer : b) liquidation assets
Description : In induction, reasoning proceeds to a conclusion that is ---------- to the scope of its premises. A) confined B) not confined C) narrow D) restricted.
Last Answer : B) not confined
Description : Deductive reasoning proceeds from (A) general to particular (B) particular to general (C) one general conclusion to another general conclusion (D) one particular conclusion to another particular conclusion
Last Answer : (A) general to particular
Description : Software Configuration Management is the discipline for systematically controlling (A) the changes due to the evolution of work products as the project proceeds. (B) the changes due to defects (bugs) being found and then fixed. (C) the changes due to requirement changes (D) all of the above
Last Answer : (D) all of the above
Description : Which of the following taxes are levied and collected by the centre but their net proceeds are wholly transferred to states ? (1) Expenditure Tax and Gift Tax (2) Additional Duties of Excise in lieu of Sales Tax (3) Stamps and Registration (4) Taxes on Advertisement
Last Answer : Taxes on Advertisement