Description : Which organic compound have the functional group OH?
Last Answer : Alcohol
Description : Identify the type of reaction(s) in the following equations. (i)CH4 + 2O2 CO2 + 2 H2O (ii) Pb(NO3)2 + 2KI ——–>Pbl2 + 2KNOs (iii) CaO + H2O ——–> Ca(OH)2 (iv) CuSO4 + Zn ——–> ZnSO4 + Cu -Chemistry
Last Answer : Answer. (i) Combustion reaction and oxidation reaction. (ii)Double displacement reaction and precipitation reaction. (iii) Combination reaction. (iv) Displacement reaction.
Description : What is (CO2)+[Ca(OH)2] -Science
Last Answer : Balance Ca(OH)2+CO2--->CaCO3+H2O The mechanism of reaction of carbon dioxide in aqueous calcium hydroxide is a double displacement reaction. Calcium hydroxide + carbon dioxide → Calcium carbonate + water ... reaction: Both the right (products) and left (reactants) side of the equation are balanced
Description : Which of the following is a base (APEX)HI (hydroiodic acid)Ca(OH)2 (calcium hydroxide)H2CO3 (carbonic acid)HNO3 (nitric acid)?
Last Answer : Ca(OH)2 (calcium hydroxide) (Apex)
Description : What volume of 0.05 M `Ca(OH)_(2)` solution is needed for complete conversion of 10mL of 0.1 M `H_(3)PO_(4)` into `Ca(H_(2)PO_(4))_(2)` ?
Last Answer : What volume of 0.05 M `Ca(OH)_(2)` solution is needed for complete conversion of 10mL of 0.1 M `H_(3)PO_(4)` into `Ca(H_(2)PO_(4))_(2)` ?
Description : 1 mol of `H_(3)PO_(2), H_(3)PO_(3)` and `H_(3)PO_(4)` will neutralise x mol `NaOH`, y mol of `Ca(OH)_(2)` and z mol of `Al(OH)_(3)` respectively (assu
Last Answer : 1 mol of `H_(3)PO_(2), H_(3)PO_(3)` and `H_(3)PO_(4)` will neutralise x mol `NaOH`, y mol of `Ca(OH)_(2)` and ... :1` B. `1:2:3` C. `3:2:1` D. `1:1:1`
Description : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of calcium bicarbonate per 100 ml of water,
Last Answer : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of ... 0.222g` C. `2.22 g` D. `0.444 g`
Description : Find the valency factor for following bases : `(i) Ca(OH)_(2) " " (ii) CsOH " " (iii) Al(OH)_(3)`
Last Answer : Find the valency factor for following bases : `(i) Ca(OH)_(2) " " (ii) CsOH " " (iii) Al(OH)_(3)`
Description : How many grams of LiOH is formed from 25.0 g of CaOH given the following equation... Ca(OH)2 plus Li2CO3 ----- and gt CaCO3 plus 2Li(OH) What is the answer and how did you get it?
Last Answer : The chemical reaction is:Li2CO3 + Ca(OH)2 = 2 LiOH + CaCO3Molar maass of LiOH is 23,95 g; molar mass of calcium hydroxide is 74,093 g.74,093 g Ca(OH)2----------------2.23,95 g LiOH25 g Ca(OH)2----------------------xx = (25 x 2 x 23,95)/74,093 = 16,2 g LiOH
Description : If 85 g of NH4CL reacts with 130 g of Ca(OH)2 what is the maximum mass of ammonia that can be formed?
Last Answer : 27.59
Description : The active transport of ‘Ca’ is regulated by __________ which is synthesized in kidnyes. (A) Cholecalciferol (B) Ergosterol (C) 25-OH cholecalciferol (D) 1, 25-di OH-Cholecalciferol
Last Answer : Answer : D
Description : Ions moving towards the cathode during electrolysis of an aqueous solution of Ca(OH)2 are (a) OH (b) H+ (c) Ca2+ (d) 02
Last Answer : Ans:(a)
Description : Chemical formula of washing soda is - (1) Na2SO4.10H2O (2) NaHCO3 (3) Na2CO3.10H2O (4) Ca(OH)2
Last Answer : (3) Na2CO3.10H2O Explanation: Washing Soda is essentially Sodium Carbonate, a sodium salt of carbonic acid (soluble in water). The molecular formula of washing soda is Na2CO3.10H2O. It is used as ... It reacts with the calcium and magnesium bonds present in the water, enabling the detergent to work.
Description : CO2 can be absorbed by (A) Hot cupric oxide (B) Heated charcoal (C) Cold Ca(OH)2 (D) Alumina
Last Answer : (B) Heated charcoal
Description : Pick out the exothermic reaction out of the following: (A) C + H2O = CO + H2 (B) CaC2 + H2O = Ca(OH)2 + C2H2 (C) MgCO3 = MgO + CO2 (D) All (A), (B) and (C)
Last Answer : (B) CaC2 + H2O = Ca(OH)2 + C2H2
Description : Ca(OH)2 is called (A) Quicklime (B) Slaked lime (C) Limestone (D) Gypsum
Last Answer : (B) Slaked lime
Description : Permanent hardness of water can be removed by (A) Boiling (B) Adding Ca(OH)2 (C) Boiling it with Na2CO3 (D) None of these
Last Answer : (C) Boiling it with Na2CO3
Description : Formula for quick lime, is (A) CaCO3 (B) Ca(OH)2 (C) CO3CO2 (D) None to thes
Last Answer : Answer: Option A
Description : .In primary teeth, failure of Ca(OH)2 pulpotomy is MOST likely to produce:** A. External resorption B. Internal resorption C. Necrosis of the pulp D. Ankylosis
Last Answer : B. Internal resorption
Description : Which material is not compatible with composite resin: A. Zinc Oxide eugenol (ZOE) B. Ca(OH)2 C. Carboxylate D. Zinc phosphate cement
Last Answer : A. Zinc Oxide eugenol (ZOE)
Description : A child has sustained a traumatic exposure of primary central incisor, he presents to you for treatment two days after the injury. Which of the following should be considered? A. Pulpotomy and Ca(OH)2 B. Pulpotomy and formocresol C. Direct pulp capping D. Pulpectomy (RCT)
Last Answer : D. Pulpectomy (RCT)
Description : Write a note on the Physical Properties of Calcium Hydroxide (Slaked lime), Ca(OH)2
Last Answer : It is a white amorphous powder. It is sparingly soluble in water. The aqueous solution is known as lime water and a suspension of slaked lime in water is known as milk of lime.
Description : How is Calcium Hydroxide (Slaked lime), Ca(OH)2 Prepared?
Last Answer : Calcium hydroxide is prepared by adding water to quick lime, CaO.
Description : Chemical formula of washing soda is (1) Na2 SO4 .10H2O (2) NaHCO3 (3) Na2CO3 .10H2O (4) Ca(OH)2
Last Answer : Na2CO3 .10H2O
Description : Even though NaOH & KOH contains –OH group. It is not included in the group of organic substances. Why?
Last Answer : NaOH and KOH are strong bases which are ionic compound that contain OH ions. Alcohols are covalent compounds, even though they have on or more hydroxyl ( -OH ) functional group, they do not behave like bases. The – OH group attached to a carbon atom is a covalent bond.
Description : The given diagrammatic OH OH HOCH O 2 X representation shows one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one ... Component (a) Cholesterol Guanine (b) Amino acid NH2 (c) Nucleotide Adenine (d) Nucleoside Uracil
Last Answer : (d) Nucleoside Uracil
Description : What class of organic compounds is characterized by an -OH group bonded to an alkyl group?
Last Answer : ANSWER: ALCOHOL
Description : A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number ... element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.
Last Answer : ANSWER: OXYGEN ATOMIC NUMBER = 8
Description : Which compound does not contains an OH group? -Do You Know?
Last Answer : Ammonia is a base but doesn't contain any hydroxyl group because it forms OH- ions when it is added to water.
Description : Aromatic carbonyl compound having molecular formula `C_(8)H_(8)O` react with `NH_(2)OH` how many oximes can be formed
Last Answer : Aromatic carbonyl compound having molecular formula `C_(8)H_(8)O` react with `NH_(2)OH` how many oximes can be formed A. 8 B. 10 C. 12 D. 6
Description : How many of the following carbonyl compound will give two products after reaction with `NH_(2)OH` :
Last Answer : How many of the following carbonyl compound will give two products after reaction with `NH_(2)OH` :
Description : The correct statement(s) about the compound `H_(3)C(HO)HC-CH=CH-CH(OH)CH_(3) (X)` is/are
Last Answer : The correct statement(s) about the compound `H_(3)C(HO)HC-CH=CH-CH(OH)CH_(3) (X)` is/are A ... is cis, the number of enantiomers possible for X is 2.
Description : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar
Last Answer : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history ... . D. Optically inactive due to intramoleuclar hydrogen bonding.
Last Answer : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two ... form Q is A. B. C. D. none of these
Description : Total number of stereoisomers of compound is: `CH_(3)-underset(overset(|)(OH))(C)H-underset(overset(|)(Br))(C)H-CH_(3)`
Last Answer : Total number of stereoisomers of compound is: `CH_(3)-underset(overset(|)(OH))(C)H-underset(overset(|)(Br))(C)H-CH_(3)` A. 2 B. 4 C. 6 D. 8
Description : Number of chiral carbon persent in the following compound: `CH_(3)-underset(overset(|)(OH))(C)H-CH_(2)-underset(overset(|)(Br))(C)H-underset(overset(|
Last Answer : Number of chiral carbon persent in the following compound: `CH_(3)-underset(overset(|)(OH))(C)H-CH_(2)-underset(overset( ... (3)` A. 2 B. 3 C. 4 D. 5
Description : For the given compound `CH_(3)-underset(overset(|)(OH))(CH)-CH=CH-CH_(3).` (i) Total number of stereoisomers. (ii) Number of opticallly active stereoi
Last Answer : For the given compound `CH_(3)-underset(overset(|)(OH))(CH)-CH=CH-CH_(3).` ... number of fractions on fractional distillation of all stereoisomers.
Description : Which of the following carbonyl compound will give two products after reaction with `NH_(2)OH`:
Last Answer : Which of the following carbonyl compound will give two products after reaction with `NH_(2)OH`:
Description : Sodium borate on reaction with conc. `H_2 SO_4` and `C_2 H_5 OH` gives a compound A which burns with a green edged flame. The compound A is
Last Answer : Sodium borate on reaction with conc. `H_2 SO_4` and `C_2 H_5 OH` gives a compound A which burns with a green edged ... ` D. `(C_(2)H_(5))_(3)BO_(3)`
Description : Is Sn(OH)4 a molecular compound?
Last Answer : This is an ionic compound.
Description : What is name of compound OH?
Last Answer : (OH)- is the anion hydroxyl.
Description : Is Ba(OH)2 an ionic compound?
Last Answer : Ba(OH)2======Barium hydroxide, an ionic compound composed of the cation barium, Ba 2+, and the polyatomic anion hydroxide, OH -.
Description : Which compound does not contains an OH group
Last Answer : Aldehyde
Description : Write the IUPAC name for: (CH3)2CHCH(OH)CH2C(CH3)3,identify the functional group and type of compound.
Last Answer : Ans. 2,5,5-trimethylhexan-3-ol, alcohol, secondary alcohol