Description : Isoelectric pH is that pH at which protein is electrically: (A) Neutral (B) Anionic (C) Cationic (D) None of these
Last Answer : Answer : A
Description : The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent. (A) Cationic (B) Anionic (C) Amphoteric (D) Semi polar
Last Answer : (B) Anionic
Description : Surfactants are a). cationic b). Non-ionic c). Anionic d). All
Last Answer : d). All
Description : `(A)+SbF_(5)to[XeF_(3)]^(+)[SbF_(6)]^(-)` Compound (A) is
Last Answer : `(A)+SbF_(5)to[XeF_(3)]^(+)[SbF_(6)]^(-)` Compound (A) is A. II and III only B. I,II and IV only C. III and IV only D. I,II,III and IV
Description : Hybridization and shape of `XeF_(4)` is
Last Answer : Hybridization and shape of `XeF_(4)` is A. `sp^(3)d`, trigonal bipyramidal B. `sp^(3)`, tetrahedral C ... `, square planar D. `sp^(3)d^(2)`, hexagonal
Description : In the complexes [SbF_(5)]^(2-),sp^(3)d` hybridisation is present. Geometry of the complex is:
Last Answer : In the complexes [SbF_(5)]^(2-),sp^(3)d` hybridisation is present. Geometry of the ... B. Square bipyramidal C. Tetrahedral D. square planar
Description : What is the hybridization of carbon atoms in alkanes ?
Last Answer : Ans. Sp3
Description : How many atoms are attached to an atom having a sp hybridization? (a) 0 (b) 1 (c) 2 (d) 3
Last Answer : 2
Description : What is the hybridization of the carbon atoms numbered 1 and 2 respectively in the following structure? (a) sp3, sp2 (b) sp2, sp2 (c) sp, sp (d) sp2, sp
Last Answer : sp2, sp
Description : `Mf + XeF_(4) rarr M^(+) A^(-) (M^(+)-` alkali metal cation) The state of hybridisation of the central atom in A and sphere of the species are:
Last Answer : `Mf + XeF_(4) rarr M^(+) A^(-) (M^(+)-` alkali metal cation) The state of hybridisation of ... )d^(3)`, pentagonal planar D. no compound formed at all
Description : Give some examples of anionic precipitating agents.
Last Answer : Tungstic acid, phosphotungstic acid, trichloro acetic acid, picric acid, sulphosalicylic acid and tannic acid are protein precipitating agents.
Description : In regard to Chlorhexidine mouth wash:** A. Is anionic ( opposite) B. Used in 0.02% concentration ( topical skin) C. Used in 0.12% concentration D. Penetrates the gingival crevice/pocket ( no)
Last Answer : C. Used in 0.12% concentration
Description : Which of the following interhalogens exist at room temperature and have central atom hybridization `sp^3d^2`. (a) `ClF_3` (b) `ClF_5` (C) `BrCl_3` (d)
Last Answer : Which of the following interhalogens exist at room temperature and have central atom hybridization `sp^3d^2`. (a ... `lBr_5 `(j) `BrF_3` (k) `ClBr_5`
Description : What is the hybridization of the central oxygen in CO?
Last Answer : Need answer
Description : What is the hybridization of the central carbon of allene (1,2-propadiene)? (a) sp (b) sp2 (c) sp3 (d) p
Last Answer : sp
Description : Sp3d2 hybridization of central atom of a molecule would lead to............ geometry. a) square planar b) Tetrahedral c) Trigonal bipyramidal d) Octahedral
Last Answer : d) Octahedral
Description : 13. Which one of the following pairs is isostructural (i.e. having the same shape and hybridization)? (1) 4 4 [BF and NH ] (2) 3 3 [BCl and BaCl ] (3) 3 3 [NH and NO ] (4) [NF3 and BF3 ] Sol: [1] In both the compounds, central atom i
Last Answer : (1) 4 4 [BF and NH ]
Description : Omeprazole exerts practically no other action except inhibition of gastric acid secretion because: A. It transforms into the active cationic forms only in the acidic pH of the gastric juice B. Its ... forms are unable to diffuse out from the gastric parietal cell canaliculi D. All of the above
Last Answer : D. All of the above
Description : The following is not true of local anaesthetics: A. The local anaesthetic is required in the unionized form for penetrating the neuronal membrane B. The local anaesthetic approaches its receptor ... the resting state D. The local anaesthetic combines with its receptor in the ionized cationic form
Last Answer : C. The local anaesthetic binds to its receptor mainly when the Na+ channel is in the resting state
Description : which of the following forms cationic micelles above certain concentration?
Last Answer : which of the following forms cationic micelles above certain concentration? A. Cetyltrimethylammonium bromide ... sulphonate C. Sodium acetate D. Urea
Description : Which of the following statements regarding neutrophils are true? a. The neutrophil undergoes final maturation after release into the circulation b. Patients with chronic granulomatous disease have a defective ... proteins d. The normal human neutrophil circulates in the blood for 7-10 days
Last Answer : Answer: b, c The neutrophil is a migratory phagocytic cell that defends the host against bacteria and eliminates necrotic tissue. The neutrophil matures in the bone marrow and is ... phagocytose bacteria, they are unable to kill the intracellular microbes and chronic, unresolved infections result
Description : A cationic complex has two isomers A & B. Each has one Co3+, five NH3 , one Br and one SO4 2 . A gives a white precipitate with BaCl2 solution while B gives a yellow precipitate with AgNO3 ... are the possible structures of the complexes A and B ? (a) Will the two complexes have same colour ?
Last Answer : (a) [CO (NH3 ) 5 Br] SO4 and [CO (NH3 ) 5 SO4 ] Br (b) NO
Description : The main use of HCl is in the (A) Drilling of petroleum wells and pickling of steel sheets (B) Manufacture of cationic detergent (C) Treatment of spent fuel of nuclear reactor (D) None of these
Last Answer : (A) Drilling of petroleum wells and pickling of steel sheets
Description : The number of lone pairs available on the central atom of sulphur tetra fluoride is
Last Answer : The number of lone pairs available on the central atom of sulphur tetra fluoride is
Description : Thermal decomposition product(s) of `XeF_(2)` are:
Last Answer : Thermal decomposition product(s) of `XeF_(2)` are: A. `Xe` B. `XeF_(2)` C. `XeF_(4)` D. `F_(2)`
Description : The hybridization states of boron and nitrogen in borazole respectively
Last Answer : The hybridization states of boron and nitrogen in borazole respectively A. sp, sp B. sp, `sp^(2)` C. `sp^(2),sp^(2)` D. `sp^(2),sp^(3)`
Description : Total number of lone pairs on Xe in `XeF_(2), XeO_(3)F_(2), XeF_(4), XeF_(6)` is t,u,v & w respectively. Then
Last Answer : Total number of lone pairs on Xe in `XeF_(2), XeO_(3)F_(2), XeF_(4), XeF_(6)` is t,u,v & w respectively. Then A. ... `v +w = 3` C. `u = 0` D. `w = 1`
Description : `XeF_(2)+H_(2)O overset("alkali")rarr A +HF +O_(2)`, then A is
Last Answer : `XeF_(2)+H_(2)O overset("alkali")rarr A +HF +O_(2)`, then A is A. `XeO_(3)` B. `XeO_(4)` C. `XeO_(2)F_(2)` D. `Xe`
Description : The hydrolysis of `XeF_(6)` takes place in the following steps : `XeF_(6) rarr A rarr B rarr XeO_(3)`. Then the correct statement regarding A and B is
Last Answer : The hydrolysis of `XeF_(6)` takes place in the following steps : `XeF_(6) rarr A rarr B rarr ... A is also obtained when `XeF_(6)` reacts with silica
Description : Do you know if this site really donates rice?
Last Answer : I used to frequent a site that did that. It might even be the same site. I stopped after getting a computer virus.
Description : When a person donates bone marrow or a kidney who pays the medical costs for the donor?
Last Answer : Interesting question. My assumption is the donor pays nothing, but it will be interesting to see the answers.
Description : A person donates cylindrical bowls of diameter 7 cm -Maths 9th
Last Answer : Radius of cylindrical bowl = 7/2 cm = 3.5 cm Height of the bowl filled with soup (h) = 4 cm Volume of soup for 1 patient = πr2h = 22/7 x 3.5 x 3.5 x 4 = 154 cm3 ∴ Volume of soup for ... ( ∴ 1L = 1000 cm3) = 38.5 L The person is kind hearted, caring and contributing for the welfare of society.
Description : What happens to the donor's wealth if he donates ?
Last Answer : Donor wealth is more.
Description : The name in three letters means his building , if the middle letter is omitted, he donates ?
Last Answer : The correct answer would be the building.
Last Answer : O- donates to alkaline water
Description : Don't know anyone?
Last Answer : Contact your local shelter ... unless you're looking for a baking pan. :O
Description : How many basketballs did the store donate if the ratio of basketballs to soccer balls is 7 6. The store donates 24 soccer balls?
Last Answer : 28 basketballs
Description : What is a substance that donates H when dissolved in water?
Last Answer : This is an acid.
Description : Which pairing matches the type of substance with the item it donates?
Last Answer : Acid:Electron pair;Base:Proton
Description : An acid is a substance which (1) Donates a proton (2) Accepts an electron (3) Give H+ in water (4) All
Last Answer : (4) All Explanation: An acid is a chemical substance whose aqueous solutions are characterized by a sour taste, the ability to turn blue litmus red and the ability to react with bases and certain metals to form salts.
Description : Terminal cytochrome of respiratory chain which donates electrons to oxygen is (a) Cyt b (b) Cyt c (c) Cyt a1 (d) Cyt a3.
Last Answer : d) Cyt a3
Description : Phenol is an ortho-para director because the hydroxyl group : (a) donates electrons that increase electron density at ortho and para positions favoring nucleophilic attack. (b) donates ... para positions and attracts electrons away from meta positions favoring electrophilic attack on the ring.
Last Answer : donates electrons that increase electron density at ortho and para positions favoring electrophilic attack.
Description : Site in the ribosome from which the tRNA donates amino acids to the growing polypeptide chain is A- P site B- O site C- T site D- A site
Last Answer : P site
Description : An Arrhenius acid is a substance that: w) donates protons x) accepts protons y) donates hydrogen ions to water z) donates hydroxide ions to water
Last Answer : ANSWER: Y -- DONATES HYDROGEN IONS TO WATER
Description : Mr. Shrimant inherits 4325 gold coins and divides them among his three sons; Bharat, Parat and Marat; in a certain ratio. Out of the total coins received by each of them, Bharat sells 40 coins; Parat donates his ... did Parat receive from his father? a) 1210 b) 1211 c) 1212 d) 1213 e) None of these
Last Answer : Answer: A 41x+40+34x+20+46x+30=4325 =>121x=4325-90 =>x=35 Required answer, number of coins received by parat =34x+20=34×35+20=1210
Description : Which of the following has more number of `p pi-dpi` bonds?(all central atoms are in excited states)
Last Answer : Which of the following has more number of `p pi-dpi` bonds?(all central atoms are in excited states) A. `SO_(2)` B ... `SO_(3)^(2-)` D. `CO_(3)^(2-)`
Description : In hybridization this is not part of the technique used a) Transfer pollen b) Collect pollen c) Emasculate d) Use of two plants to bridge the stems together
Last Answer : d) Use of two plants to bridge the stems together
Description : Oxidation number of Xe in `XeF_(5)^(-)` is :
Last Answer : Oxidation number of Xe in `XeF_(5)^(-)` is : A. `+1` B. `+2` C. `+3` D. `+4`
Description : The shape of `XeF_(5)^(+)` Ion is
Last Answer : The shape of `XeF_(5)^(+)` Ion is A. Pentagonal B. Octahedral C. Square pyramidal D. Trigonal bipyramidal
Description : x mmol of `KMnO_(4)` react completely with y mmol of `MnSO_(4)` in presence of fluoride ions to give `MnF_(4)` quantitatively. Then :
Last Answer : x mmol of `KMnO_(4)` react completely with y mmol of `MnSO_(4)` in presence of fluoride ions to give `MnF_(4)` ... =y B. 4x=y C. `xgty` D. `x lt y`