Description : In the following reactions `2X+B_(2)H_(6) to [BH_(2)(X)_(2)]^(+){BH_(4)]^(-)` The amine X will not be -
Last Answer : In the following reactions `2X+B_(2)H_(6) to [BH_(2)(X)_(2)]^(+){BH_(4)]^(-)` The amine X will not be - A. ... C. `(CH_(3))_(2)NH` D. `(CH_(3))_(3)N`
Description : Which of the following reduction reactions does not give an amine as product?
Last Answer : Which of the following reduction reactions does not give an amine as product? A. `R-NO_(2) underset(" ... (2)underset(Delta)overset(Zn//NH_(4)Cl)rarr`
Description : Only one of the following amines will lose its nitrogen atom as trimethyl amine by repeated Hofmann elimination reactions:
Last Answer : Only one of the following amines will lose its nitrogen atom as trimethyl amine by repeated Hofmann elimination reactions: 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 : Washing Soda in water behaves like _____. A. Alkaline B. Neutral C. Acid D. None of these
Last Answer : ANSWER: C
Description : An alcoholic amine residue is present in which of the following lipids? (A) Phosphatidic acid (B) Cholesterol (C) Sphingomyelin (D) Ganglioside
Last Answer : Answer : C
Description : Biosynthesis of Triglyceride and Lecithine both require an intermediate: (A) Monoacyl glycerol phosphate (B) Phosphatidic acid (C) Phosphatidyl ethanol amine (D) Phosphatidyl cytidylate
Last Answer : Answer : B
Description : A lipid containing alcoholic amine residue is (A) Phosphatidic acid (B) Ganglioside (C) Glucocerebroside (D) Sphingomyelin
Last Answer : Answer : D
Description : Nylon-66 is a polyamide of (A) Hexamethylene diamine and adipic acid (B) Adipic acid and methyl amine (C) Vinyl chloride and formaldehyde (D) None of these
Last Answer : (A) Hexamethylene diamine and adipic acid
Description : Which of the following statements is false about aniline? (a) It is a primary aromatic amine. (b) It is a weak base which forms salts with acids. (c) It liberates nitrogen on treatment with ice-cold nitrous acid. (d) It can be prepared by the reduction of nitrobenzene with tin and HCl
Last Answer : It liberates nitrogen on treatment with ice-cold nitrous acid
Description : Reduction of an imine will give an (a) Acid (b) Amide (c) Amine (d) Alcohol
Last Answer : Amine
Description : Amides undergo hydrolysis under acidic conditions to give (a) Carboxylic acid and amine (b) Carboxylic acid and ammonium ion (c) Carboxylate ion and ammonium ion (d) Carboxylate ion and amine
Last Answer : Carboxylic acid and ammonium ion
Description : Consider a small aliphatic 1° amine, 1° alcohol, ester, carboxylic acid, and amide, all of similar molecular weight. Which one is most likely to have the highest boiling point? (a) The amide (b) The alcohol (c) The ester (d) The carboxylic acid
Last Answer : The amide
Description : Which of the following statements is False about acetamide? (a) reacts with Br2/NaOH to form tertiary amine (b) undergoes acid-hydrolysis to form acetic acid (c) undergoes dehydration with P2O5 to form a nitrile (d) is a white crystalline solid, soluble in water
Last Answer : reacts with Br2/NaOH to form tertiary amine
Description : Alkyl cyanide on reduction gives….. a. primary amine b. secondary amine c. amide d. carboxylic acid
Last Answer : a. primary amine
Description : The ‘amine’ ergot alkaloid differs from ‘amino acid’ ergot alkaloid in that it has: A. High oral bioavailability B. Better CNS penetrability C. Weaker oxytocic action D. Strong anti-5-HT action
Last Answer : A. High oral bioavailability
Description : Which of the following would be most acidic? w) phenol x) methanol y) acetic acid z) methyl amine
Last Answer : ANSWER: C -- ACETIC ACID
Description : Since air essentially behaves like a fluid, would it not be accurate to say, that aeroplanes swim through the air?
Last Answer : Fluid ≠ liquid. Gases and liquids are both fluids, as are plasmas. But swimming and drowning are ways of interacting with liquids specifically, not fluids generally.
Description : What type of person behaves this way and how can I help my children address it (Please see details)?
Last Answer : It depends on how frequent it is. If people are doing this frequently, they're only trying to mask their immature bullying (which they think they aren't doing). Teasing is such a norm that it' ... who I knew maybe sensitive or fragile, because it's like I'm voluntarily choosing to bully them.
Description : Can anyone explain why an aquarian girl behaves the way that she does ?
Last Answer : http://www.craigslist.org/about/best/van/152468438.html I found this interesting enough to bookmark. At last, a place for it! Not specific to an Aquarian…
Description : I think it's very sweet when they eat bread, especially when they eat it in bed. 333
Last Answer : I haven't seen one before. Is there a video somewhere like this?
Description : What will be n-factor for `Ba(MnO_(4))_(2)` in acidic medium? (Where it behaves as oxidant)
Last Answer : What will be n-factor for `Ba(MnO_(4))_(2)` in acidic medium? (Where it behaves as oxidant) A. 5 B. 10 C. 6 D. 3
Description : Which of the following behaves like pseudohalogen compound:
Last Answer : Which of the following behaves like pseudohalogen compound: A. (A) NC CN B. (B) `CN^-` C. (C) `N_3^-` D. (D) `l_3^-`
Description : Which of the following anion behaves in a different manner than other on heating with conc. `H_(2)SO_(4)` ?
Last Answer : Which of the following anion behaves in a different manner than other on heating with conc. `H_(2)SO_(4) ... Br^(-)` D. All behave in a similar manner
Description : Which one of the following behaves both as a nucleophile and an electrophile ?
Last Answer : Which one of the following behaves both as a nucleophile and an electrophile ? A. `CH_(3)NH_(2)` B. `CH_(3)OH` C. `CH_(3)CN` D. `CH_(3)Cl`
Description : (A) Ether behaves as bases in the presence of mineral acids. (R ) Due to the presence of lone pair of electrons on oxygen.
Last Answer : (A) Ether behaves as bases in the presence of mineral acids. (R ) Due to the presence of lone pair of ... R is false D. A is false but R is true
Description : The noble gas which behaves abnormally in liquid state is
Last Answer : The noble gas which behaves abnormally in liquid state is A. Xe B. Ne C. He D. Ar
Description : Which of the following elements behaves as a typical non metal
Last Answer : Which of the following elements behaves as a typical non metal A. S B. Se C. Te D. Po
Description : When the planet performs respiration it behaves as a what?
Last Answer : Feel Free to Answer
Description : Why are ant Alexandra and mrs.dubose critical of the way scout dresses and behaves?
Last Answer : Need answer
Description : The plant that behaves as a root parasite is - (1) Ficus (2) Santalum (3) Cuscuta (4) Euphorbia
Last Answer : (3) Cuscuta Explanation: Plants which either obtain readymade organic food prepared by other plants or absorb water and minerals from other plants to prepare their own organic food are called parasitic plants. Cuscuta (Doddar) is a total stem parasite.
Description : Which element behaves chemically both as metal and nonmetal? (1) Argon (2) Boron (3) Xenon (4) Carbon
Last Answer : (2) Boron Explanation: Some elements behave chemically both as metals and nonmetals, and are called metalloids. Their examples include Boron, Silicon, Germanium and Antimony. Elements which are neither metals nor nonmetals are called Noble Gases.
Description : At low temperature, Lead behaves as a (1) Semi conductor (2) Super conductor (3) Insulator (4) Conductor
Last Answer : (2) Super conductor Explanation: Lead exhibit superconducting phase transitions at low temperatures of 7.2 Kelvin. This discovery was made in 1913. At this temperature (known as critical temperature), ... to a different phase of matter; this superconducting phase is described by the BCS theory.
Last Answer : (2) Super conductor Explanation: Lead exhibit super conducting phase transitions at low temperatures of 7.2 Kelvin. This discovery was made in 1913.
Description : Which theory states that the light wave behaves as if it consists of many tiny particles? a. Huygen’s theory b. Wave theory of light c. Nyquist theory d. Quantum theory
Last Answer : d. Quantum theory
Description : A material no longer behaves elastically beyond (A) Plastic limit (B) Limiting load (C) Elastic limit (D) Breaking load
Last Answer : (C) Elastic limit
Description : An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonian fluid beyond yield stress. Which of the following is an ideal plastic? (A) Sewage sludge (B) Rubber latex (C) Blood (D) Sugar solution
Last Answer : (A) Sewage sludge
Description : An aqueous solution of glucose behaves as an aldehyde because __________. (a) it is hydrolyzed by water to the free aldehyde (b) it is a ketone, but is in equilibrium with the aldehyde form ... aldehyde (d) its cyclic hemiacetal, the predominant form, is in equilibrium with the free aldehyde form
Last Answer : its cyclic hemiacetal, the predominant form, is in equilibrium with the free aldehyde form
Description : Which of the following behaves like the entry point of the monitor and reroutes the instructions of the virtual machine? A. Dispatcher B. Allocator C. Interpreter D. Both A and B
Last Answer : . Dispatcher
Description : At yield point of a test piece, the material (A) Obeys Hooke's law (B) Behaves in an elastic manner (C) Regains its original shape on removal of the load (D) Undergoes plastic deformation
Last Answer : (D) Undergoes plastic deformation
Description : Castigliano's first theorem is applicable (A) For statically determinate structures only (B) When the system behaves elastically (C) Only when principle of superposition is valid (D) None of the above
Last Answer : (C) Only when principle of superposition is valid
Description : Which of the following behaves most closely like an ideal gas? (A) He (B) N2 (C) O2 (D) H2
Last Answer : (A) He
Description : At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm. ... (B) μ°+ R ln f (C) μ° + T ln f (D) μ° + R/T ln f
Last Answer : (A) μ° + RT ln f
Description : The third law of thermodynamics states that the (A) Heat capacity of a crystalline solid is zero at absolute zero temperature (B) Heat transfer from low temperature to high temperature source is ... without external work (C) Gases having same reduced properties behaves similarly (D) None of these
Last Answer : (A) Heat capacity of a crystalline solid is zero at absolute zero temperature
Description : To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (∆HV/R) (1/T1- 1/T2) from the exact Clapeyron equation, it is assumed that the (A) Volume of the liquid phase is negligible compared to ... gas (C) Heat of vaporisation is independent of temperature (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons. (A) Lack of free (B) Excess of (C) Decrease in (D) None of these
Last Answer : (B) Excess of
Description : Which one of the following clays behaves like a dense sand? (A) Over-consolidated clay with a high over-consolidation ratio (B) Over-consolidated clay with a low over-consolidation ratio (C) Normally consolidated clay (D) Under-consolidated clay
Last Answer : Answer: Option A
Description : A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis (A) Remains within the flange (B) Remains below the slab (C) Coincides the geometrical centre of the beam (D) None of these
Description : Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the (A) Force of adhesion (B) Force of cohesion (C) Force of friction (D) Force of diffusion
Last Answer : Answer: Option B