Description : When benzene sulphonic acid and P-nitrophenol are treated with `NaHCO_3`, the gases released, respectively, are :
Last Answer : When benzene sulphonic acid and P-nitrophenol are treated with `NaHCO_3`, the gases released, respectively, are : A. ` ... CO_(2)` D. `CO_(2), CO_(2)`
Description : When phenol is treated with excess of bromine water, it gives
Last Answer : When phenol is treated with excess of bromine water, it gives A. m-bromophenol B. o-and p-bromophenol C. 2, 4-dibromophenol D. 2, 4,6-tribromophenol
Description : When 2-hydroxybenzoic aicd (salicylic acid) is treated with bromine water, the product formed is:
Last Answer : When 2-hydroxybenzoic aicd (salicylic acid) is treated with bromine water, the product formed is: A. B. C. D.
Description : A gas P is obtained at anode during the electrolysis of brine. The gas P when treated with excess of `NH_3` released a diatomic gas Q. Find the value
Last Answer : A gas P is obtained at anode during the electrolysis of brine. The gas P when treated with excess of `NH_3` ... x & y are the molar mass of P and Q.
Description : 4-amino-3-methylbutanoic acid is treated with thionyl chloride followed by ammonia to obtain compound X. X on reaction with, bromine in an alkaline me
Last Answer : 4-amino-3-methylbutanoic acid is treated with thionyl chloride followed by ammonia to obtain compound X. X on ... B. 80 mL C. 120 mL D. 200 mL
Description : Compound (A) when reacted with PCl5 and then with ammonia gave (B). Compound (B) when treated with bromine and NaOH, produced (C). Compound (C) on treatment with NaNO2/HCl at 0°C and then boiling with H2O ... Compound (A) is (a) o-Toluic acid (b) o-Chlorotoluene (c) m-Toluic acid (d) o-Bromotoluene
Last Answer : o-Toluic acid
Description : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (1) Phenol (2) p-cresol (3) Benzoic acid (4) Benzene sulphonic acid (5) A
Last Answer : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (1) Phenol (2) p-cresol ... P-toluedine (7) Picric acid (8) Squaric acid
Description : Assertion (A): o-phenol sulphonic acid on heating at `100^(@)C` changes to p-phenol sulphonic acid. Reason : Sulphonation of phenol is a reversible pr
Last Answer : Assertion (A): o-phenol sulphonic acid on heating at `100^(@)C` changes to p-phenol sulphonic acid. ... in correct D. A is incorrect but R is correct
Description : In place of glucuronic acid chondroitin sulphate B contains (A) Gluconic acid (B) Gulonic acid (C) Induronic acid (D) Sulphonic acid
Last Answer : C
Description : Synthetic detergents are made from – (1) Sodium stearate (2) Sodium salt of benzene sulphonic acid (3) Sodium salt of benzene carboxylic acid (4) Sodium palmitate
Last Answer : (2) Sodium salt of benzene sulphonic acid Explanation: Synthetic detergents are made from sodium salt of benezene sulphonic acid.
Description : The compound used in prickly-heat powder to prevent excessive sweating is – (1) Boric acid (2) Phosphoric acid (3) Carbonic acid (4) Sulphonic acid
Last Answer : (1) Boric acid Explanation: Boric acid (H3BO3), also called hydrogen borate, boracie acid, orthoboric acid and acidum boricum, is used in prickly heat powders to prevent excessive sweating. Boric ... dressings or salves. As an antibacterial compound, boric acid can also be used for acne treatment.
Description : Detergents are – (1) Sodium salts of fatty acids (2) Sodium salts of sulphonic acids (3) Sodium salt of benzoic acid (4) None of the above
Last Answer : (2) Sodium salts of sulphonic acids Explanation: A detergent is a surfactant or a mixture of surfactants with "cleaning properties in dilute solutiops." These substances are usually alkylbenzenesulfonates, a ... detergent or dish detergent, as opposed to hand soap or other types of cleaning agents.
Description : The compound used in pricklyheat powder to prevent excessive sweating is (1) Boric acid (2) Phosphoric acid (3) Carbonic acid (4) Sulphonic acid
Last Answer : Boric acid
Description : Synthetic detergents are made from (1) Sodium stearate (2) Sodium salt of benzene sulphonic acid (3) Sodium salt of benzene carboxylic acid (4) Sodium palmitate
Last Answer : Sodium salt of benzene sulphonic acid
Description : Detergents are (1) Sodium salts of fatty acids (2) Sodium salts of sulphonic acids (3) Sodium salt of benzoic acid (4) None of the above
Last Answer : Sodium salts of sulphonic acids
Description : Phenol reacts with excess bromine water to give (a) o- plus p-Bromophenol (b) Bromobenzene (c) 2,4,6-Tribromophenol (d) m-Bromophenol
Last Answer : 2,4,6-Tribromophenol
Description : Which of the following will give a precipitate with excess bromine water? (a) Bromobenzene (b) Aniline (c) Nitrobenzene (d) Toluene
Last Answer : Aniline
Description : . Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water. (A) SO3 (B) Cl2 (C) NH3 (D) SO2
Last Answer : (B) Cl2
Description : When dipentyl ether is treated with excess HI, through what type of mechanism(s) does the major product result? (a) SN2 (b) SN1 (c) E1 (d) E2
Last Answer : SN2
Description : Which of the following compounds is the major product when 1-hexyne is treated with excess HBr? (a) 1,1-dibromohexane (b) 1,1-dibromohexene (c) 1,2-dibromohexene (d) 2,2-dibromohexane
Last Answer : 2,2-dibromohexane
Description : When ethanol is heated with concentrated H2SO4, a gas is produced. Which of the following compounds is formed when this gas is treated with bromine in CCl4?E2 (a) Bromomethane (b) 1,2-Dibromoethane (c) Bromoethane (d) 1,1,2,2-Tetrabromoethane
Last Answer : 1,2-Dibromoethane
Description : Which of the following will give a negative test when treated with bromine in carbon tetrachloride? (a) Butane (b) 2-Butene (c) 1,3-Butadiene (d) 2-Butyne
Last Answer : Butane
Description : What happen when a solution of potassium chromate is treated with an excess of dil. Nitic acid?
Last Answer : What happen when a solution of potassium chromate is treated with an excess of dil. Nitic acid? A. `Cr^( ... CrO_4^(2-)` is oxidized to +7 state of Cr
Last Answer : What happen when a solution of potassium chromate is treated with an excess of dil. Nitic acid? A. Cr reduces ... (2-)` and `H_(2)O` will be formed.
Description : 1.60 g of a metal A and 0.96 g of a metal B when treated with excess of dilute acid, separately, produced the same amount of hydrogen. Calculate the e
Last Answer : 1.60 g of a metal A and 0.96 g of a metal B when treated with excess of dilute acid, separately, ... weight of A if the equivalent weight of B is 12.
Description : Para toluidine is treated with `HNO_(2)` at ice cold conditions and then boiled with water. The final product obtained is :
Last Answer : Para toluidine is treated with `HNO_(2)` at ice cold conditions and then boiled with water. The final ... acid B. p-cresol C. toluic acid D. phenol
Description : When ethylhydrogen sulphate is heated with excess of alcohol at 410 K, the product obtained is
Last Answer : When ethylhydrogen sulphate is heated with excess of alcohol at 410 K, the product obtained is A. ... B. Ethylene C. Diethyl ether D. Diethyl sulphate
Description : When m-chlorobenzaldehyde is treated with `50% KOH` solution, the product (s) obtained is (are)
Last Answer : When m-chlorobenzaldehyde is treated with `50% KOH` solution, the product (s) obtained is (are) A. B. C. D.
Description : Mixture of sodium salts of aromatic and sulphonic adds is?
Last Answer : Detergents
Description : Pick up the correct statement from the following: A. Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers B. 4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated ... river C. Solubility of oxygen in sewage is 95% of that of distilled water D. All the above
Last Answer : ANS: D
Description : When sulphur is treated with excess of Fluorine, the compound formed is
Last Answer : When sulphur is treated with excess of Fluorine, the compound formed is A. `SF_(4)` B. `S_(2)F_(2)` C. `SF_(6)` D. `S_(2)F_(6)`
Description : Which of the following is associated with Hyperuricaemia? 1) is usually due to an excess purine consumption 2) occurs in association with acute lymphoblastic leukaemia 3) in primary gout is inherited in ... with low dose aspirin therapy 5) can be treated with uricosuric drugs even in renal failure
Last Answer : Answers-2 Hyperuricaemia may be due to increased purine intake, urate production or reduced urate clearance, and is most commonly due to the latter. Therefore it can occur in association with enhanced ... . Many of the uricosuric drugs may be detrimental in renal failure and may not be effective.
Description : Mark the correct option a) In case death of the one depositor of joint account holder , in the MIS account the account will be treated as single from the date of death of the account holder b ... amount is not withdrawn, the excess amount will carry the normal saving bank interest d) All the above
Last Answer : d) All the above
Description : If a government servant granted commuted leave and he quit services voluntarily without returning to his duty . Then what is the action taken by department ? The commuted leave shall be treated as half pay leave and excess leave salary recovered
Last Answer : The commuted leave shall be treated as half pay leave and excess leave salary recovered
Description : Pick up the incorrect statement from the following: (A) The water entering the slow sand filters should be treated by 9.386 coagulants (B) The depth of water on the filter should be twice the ... is 0.75 times the depth of filter sand, the water obtained is purest (D) All the above
Last Answer : (D) All the above
Description : The product formed by the reaction of acetamide with bromine in presence of `NaOH` is
Last Answer : The product formed by the reaction of acetamide with bromine in presence of `NaOH` is A. `CH_(3)CN` B. `CH_(3) ... `CH_(3)CH_(2)OH` D. `CH_(3)NH_(2)`
Description : Salicylic acid on treatment with bromine water will give
Last Answer : Salicylic acid on treatment with bromine water will give A. 2-bromo-6-hydroxybenzoic acid B. 2 ... acid D. 1,3-dibromo-6-hydroxybenzoic acid
Description : The sprayers are cleaned before use by— (A) 1% chlorine water (B) 1% hydrochloric acid (C) 1% ammonia water (D) 1% bromine water
Last Answer : (B) 1% hydrochloric acid
Description : Le-Blanc process is a primitive process for the manufacture of (A) Caustic soda (B) Soda ash (C) Bromine from sea water (D) Hydrochloric acid
Last Answer : (B) Soda ash
Description : Reddis-brown gas is obtained when the following are treated with conc. `H_(2)SO_(4)` ?
Last Answer : Reddis-brown gas is obtained when the following are treated with conc. `H_(2)SO_(4)` ? A. `Br^(-)` B. `NO_(2)^(-)` C. `NO_(3)^(-)` D. `SO_(3)^(2-)`
Description : Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with `AgNO_(3)` solution and if the precipitate is hea
Last Answer : Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with ... I is not correct and Statement-II is correct
Description : Name the products obtained when anisole is treated with HI.
Last Answer : Ans. Phenol and methyl iodide.
Description : concentrated sulphuric acid on reaction with NaCl, NaBr and Nal produces HCl, bromine and iodine respectively. What order of oxidising ability of halo
Last Answer : concentrated sulphuric acid on reaction with NaCl, NaBr and Nal produces HCl, bromine and iodine respectively. What ... gt l_(2) gt H_(2)SO_(4)`
Description : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : dry iodine reacts with ozone and formed yell
Last Answer : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : ... below 369 K. A. FTF B. TTF C. TTT D. TFF
Description : Out of the following, copper vessels are the most suitable for the storage of (A) Bromine (B) Dry chlorine & dry fluorine (C) Nitric acid (95% and fuming) (D) Phosphoric acid (95%) & sulphuric acid (95% and fuming)
Last Answer : (B) Dry chlorine & dry fluorine
Description : Write balanced equation for the reaction between magnesium and hydrochloric acid. Name the product obtained, identify the type of reaction. -Chemistry
Last Answer : Answer. The product formed is magnesium chloride and hydrogen gas. It is a displacement reaction.
Description : What is the IUPAC name of the product obtained when 2-methyl-1-cyclopentanol is dehydrated in the presence of an acid catalyst and heat?
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Description : Toluene is nitrated and the resulting product is reduct is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then with
Last Answer : Toluene is nitrated and the resulting product is reduct is reduced with tin and hydrochloric acid ... D. mixture of o-and p-bromotoulenes
Description : When a mixture of salicylic acid, acetic anhydride and acetic acid is refluxed, what is the product obtained and what is its use in everyday life ?
Last Answer : Ans. Aspirin used as analgesic.
Description : Pick out the wrong statement. (A) Dehydration of ammonium carbamate to produce urea is endothermic (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India ... manufacture of ortho-phosphoric acid (D) Phosphate rock when reacted with dilute H2SO4 produces superphosphate
Last Answer : (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable