Description : `I_(2)` produced when ozone reacts with moist KI is used to convert `C_(2)H_(5)OH` to `CI_(3)CHO`. Number of moles of ozone required to convert 1 mole
Last Answer : `I_(2)` produced when ozone reacts with moist KI is used to convert `C_(2)H_(5)OH` to `CI_(3)CHO`. Number of ... CI_(3)CHO` is A. 1 B. 2 C. 4 D. 3
Description : How many litres of `Cl_(2)` at STP will be liberated by the oxidation of `NaCl` with `10 g KMnO_(4)` in acidic medium: (Atomic weight: `Mn=55 and K=39
Last Answer : How many litres of `Cl_(2)` at STP will be liberated by the oxidation of `NaCl` with `10 g KMnO_(4)` in ... 3.54 B. 7.08 C. 1.77 D. None of these
Description : Grams of butane (C4H10 ) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be (A) 580 (B) 640 (C) 1160 (D) Data insufficient; can't be computed
Last Answer : (C) 1160
Description : At STP , for complete combustion of 3 g `C_(2)H_(6)` the required volume of `O_(2)` will be -
Last Answer : At STP , for complete combustion of 3 g `C_(2)H_(6)` the required volume of `O_(2)` will be - A. 78. 4 L B. 7. 84 L C. 2. 78 L D. 6. 23 L
Description : How many of these reactions are homogeneously catalyzed ? (i) `2SO_(2)(g) + O_(2)(g) overset(NO(g))to 2SO_(3)(g)` (ii) `C_(12)H_(22)O_(11)(aq.) + H_(2
Last Answer : How many of these reactions are homogeneously catalyzed ? (i) `2SO_(2)(g) + O_(2)(g) overset(NO(g))to ... (2)(g)overset(Ni(s))to` Vegetable ghee (s).
Description : For the reaction `CO(g) + CI_(2)(g) hArr COCI_(2)(g)` the value of `(K_(c))/(K_(P))`is equal to :-
Last Answer : For the reaction `CO(g) + CI_(2)(g) hArr COCI_(2)(g)` the value of `(K_(c))/(K_(P))`is equal to :- A. `sqrt(RT)` B. RT C. `(1)/(RT)` D. 1.0
Description : Consider the following sequence of reactions : `H_(2)C = CH-CH =CH_(2) overset(Br_(1)(1 "mole"))underset(C CI_(4))rarrA overset(1.KCN("excess"))unders
Last Answer : Consider the following sequence of reactions : `H_(2)C = CH-CH =CH_(2) overset(Br_(1)(1 "mole"))underset(C ... ))underset(|)(CH)-(CH_(2))_(2)-NH_(2)`
Description : Consider the following sequence of reactions: `overset(C CI_(4))underset(Delta)rarr A overset(1.CH_(2)=CH-CH_(2)Br)underset(2.H_(3)O^(o+),Delta)rarrB`
Last Answer : Consider the following sequence of reactions: `overset(C CI_(4))underset(Delta)rarr A overset(1.CH_(2)=CH-CH_(2) ... end product (B) is: A. B. C. D.
Description : 20.0 kg of `N_(2(g))` and 3.0 kg of `H_(2(g))` are mixed to produce `NH_(3(g))`. The amount of `NH_(3(g))` formed is :-
Last Answer : 20.0 kg of `N_(2(g))` and 3.0 kg of `H_(2(g))` are mixed to produce `NH_(3(g))`. The amount of `NH_(3 ... is :- A. 17 kg B. 34 kg C. 20 kg D. 3 kg
Description : How many moles of argon (Ar) are present in 5.6 liters of argon gas a STP?
Last Answer : The number of argon moles is 0,25.
Description : 1.12 litre dry chlorine gas at STP was passed over a heated metal when 5.56 g of chloride of the metal was formed. What is the equivalent weight of th
Last Answer : 1.12 litre dry chlorine gas at STP was passed over a heated metal when 5.56 g of chloride of ... formed. What is the equivalent weight of the metal ?
Description : A molar solution is one that contains one mole of a solute in [IIT 1986] (A) 1000 g of the solvent (B) One litre of the solvent (C) One litre of the solution (D) 22.4 litres of the solution
Last Answer : (C) One litre of the solution
Description : For a reaction `H_(2(g))+I_(2(g))rArr2HI_((g))at 721^(@)C` the value of equilibrium constant is 50 . If 0.5 moles each of `H_(2)` & `I(2)` is added to
Last Answer : For a reaction `H_(2(g))+I_(2(g))rArr2HI_((g))at 721^(@)C` the value of equilibrium constant is 50 . ... constant will be . A. 100 B. 25 C. 50 D. 200
Description : Optically active amine having molecular formula `C_(5)H_(13)N` on reaction with `NaNO_(2)+HCI` produces, `3^(@)` optically inative alcohol. Find out s
Last Answer : Optically active amine having molecular formula `C_(5)H_(13)N` on reaction with `NaNO_(2)+HCI` produces, ` ... out structures of amines: A. B. C. D.
Description : The major end product (B) of the reaction: `overset(HCI)underset(ZnCl_(2))rarr A overset(1.NaCN("excess"))underset(2.H_(2),Ni)rarr B`
Last Answer : The major end product (B) of the reaction: `overset(HCI)underset(ZnCl_(2))rarr A overset(1.NaCN("excess"))underset(2.H_(2),Ni)rarr B` A. B. C. D.
Description : For the reaction `2CI F_(3)(g) harr CI_(2)(g) +3F_(2)(g) log K_(eq) vs (1)/(T)` (where temperature is in K) curve is obtained as given. Which of the f
Last Answer : For the reaction `2CI F_(3)(g) harr CI_(2)(g) +3F_(2)(g) log K_(eq) vs (1)/(T)` ( ... catalyst at equilibrium D. Removal of `F_(2)(g)` at equilibrium
Description : At `25^(@)` C for complete combustion of 5 mol propane `(C_(3)H_(8))` . The required volume of `O_(2)` at STP will be .
Last Answer : At `25^(@)` C for complete combustion of 5 mol propane `(C_(3)H_(8))` . The required volume of `O_(2)` at ... . A. 560 L B. 560 mL C. 360 L D. 360 mL
Description : In the balanced equation `MnO_(4)^(-)+H^(+)+C_(2)O_(4)^(2-)rarr Mn^(2+)+CO_(2)+H_(2)O`, the moles of `CO_(2)` formed are :-
Last Answer : In the balanced equation `MnO_(4)^(-)+H^(+)+C_(2)O_(4)^(2-)rarr Mn^(2+)+CO_(2)+H_(2)O`, the moles of `CO_(2)` formed are :- A. 2 B. 4 C. 5 D. 10
Description : 0.037g of an alcohol, R-OH was added to `CH_(3)MgBr` and the gas evolved measured 11.2 mL at STP. The Molecular mass of R-OH will be .
Last Answer : 0.037g of an alcohol, R-OH was added to `CH_(3)MgBr` and the gas evolved measured 11.2 mL at STP. The Molecular ... will be . A. 47 B. 79 C. 74 D. 77
Description : 5 L of gas at STP weight 6.25 g . What is the gram molecular weight ?
Last Answer : 5 L of gas at STP weight 6.25 g . What is the gram molecular weight ? A. 1.25 B. 14 C. 28 D. 56
Description : One litre of a gas at STP weight 1.16 g it can possible be
Last Answer : One litre of a gas at STP weight 1.16 g it can possible be A. `C_(2)H_(2)` B. CO C. `O_(2)` D. `NH_(3)`
Description : The volume of `CO_(2)` at STP obtained by heating 1 g of `CaCO_(3)` will be
Last Answer : The volume of `CO_(2)` at STP obtained by heating 1 g of `CaCO_(3)` will be A. 1 L B. `22.4 L` C. `0.224 L` D. `11.2 L`
Description : The volume of nitrogen gas Um (measured at STP) required to cover a sample of silica get with a mono-molecular layer is `129 cm^(3) g^(-1)` of gel. Ca
Last Answer : The volume of nitrogen gas Um (measured at STP) required to cover a sample of silica get with a mono-molecular layer ... `16.2 xx 10^(-20) m^(2).`
Description : A liquid was mixed with ethanol and a drop of concentrated `H_(2)SO_(4)` was added. A compound with a fruity smell was formed. The liquid was
Last Answer : A liquid was mixed with ethanol and a drop of concentrated `H_(2)SO_(4)` was added. A compound with a fruity ... )` C. `cH_(3)COOH` D. `CH_(3)OH`
Description : In the following reaction sequence, the amount of D (in g) formed from to moles of acetophenone is.......... (Atomic weights in `g mol^(-1) : H = 1, C
Last Answer : In the following reaction sequence, the amount of D (in g) formed from to moles of acetophenone ... product in each step is given in the parenthesis)
Description : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.
Last Answer : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is ... is formed which can be given as: A. B. C. D.
Last Answer : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt ... reaction. The final product is A. B. C. D.
Last Answer : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and ... gt R gt S` D. `S gt R gt Q gt P`
Description : Which of the following products are formed when 1-propanamine is treated with `NaNO_(2)+HCI`?
Last Answer : Which of the following products are formed when 1-propanamine is treated with `NaNO_(2)+HCI`? A. B. C. D.
Description : A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres. (A) 448 (B) 224 (C) 22.4 (D) Data insufficient; can't be computed
Last Answer : (A) 448
Description : For a 50 kg cement bag water required, is (A) 16.5 litres (B) 18.5 litres (C) 20.5 litres (D) 22.5 litres
Last Answer : Answer: Option D
Description : A tank capacity of knapsack sprayer is about: a. 5-10 litres c) 9-22.5 litres b. 8-10 litres d) 10-25.5 litres
Last Answer : 9-22.5 litres
Description : A tank capacity of knapsack sprayer is about: A. 5-10 litres B. 8-10 litres C. 9-22.5 litres D. 10-25.5 litres
Last Answer : 10-25.5 litres
Description : A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is __________ seconds. (A) 1 (B) 3 (C) 1/3 (D) 32
Last Answer : (B) 3
Description : The conversion in a mixed reactor/accomplishing a reaction A → 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second. (A) 0.5 (B) 1 (C) 2 (D) 3
Last Answer : (A) 0.5
Description : How many moles on atoms are contained in 4.5X10 to the power of 22 atoms Cu?
Last Answer : What is the answer ?
Description : Aqueous solution of `Na_(2)S_(2)O_(3)` on reaction with `CI_(2)`, gives
Last Answer : Aqueous solution of `Na_(2)S_(2)O_(3)` on reaction with `CI_(2)`, gives A. `Na_(2)S_(2)O_(6)` B. `NaHSO_(4)` C. `NaCl` D. `NaOH`
Description : The reactions of `CI_(2)` gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of two different oxioacids of chlorine, P and Q, r
Last Answer : The reactions of `CI_(2)` gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of ... `H_3PO_2` D. `SOCl_2 , PCl_5` and `H_3PO_5`
Last Answer : The reactions of `CI_(2)` gas with cold-dilute and hot-concentrated NaOH in water give ... porchloric acids D. (D) chloric and hypochlorus acids
Description : `overset(1.Br_(2)(1"mole"), C CI_(4))underset(2.(CH_(3))_(2)NH("excess"))rarr A overset(1.CH_(3)I("excess"))underset(2.AgOH,Delta)rarr B` (Major produ
Last Answer : `overset(1.Br_(2)(1"mole"), C CI_(4))underset(2.(CH_(3))_(2)NH("excess"))rarr A overset(1.CH_(3) ... product) The major product (B) is: A. B. C. D.
Last Answer : Aqueous solution of `Na_(2)S_(2)O_(3)` on reaction with `CI_(2)`, gives A. `Na_(2)S_(4)O_(6)` B. `NaHSO_(4)` C. NaCl D. NaOH
Description : 45.4 L of nitrogen reacted with 22.7 L of oxygen and 45.4 L of nitrogen oxide was formed. The reaction is given below: 2N2(g) + O2(g) →2N2O(g) Which law is being obeyed in this experiment? Write the statement of this law.
Last Answer : Ans. Gay lussac’s law of gaseous volume is being obeyed. According to gay lussac’s law of gaseous volumes, gases combine or are produced in a chemical reaction in a simple ration by volume, provided that all gases are the same temperature and pressure.
Description : When a coordination compound CoCl3.6NH3 is mixed with AgNO3, 3 moles of AgCl are precipitated per mole of the compound. Write (i) Structural formula of the complex (ii) IUPAC name of the complex -Chemistry
Last Answer : i) Complex so formed is: CoCl3.6NH3 + AgNO3 → [Co(NH3)6]Cl3 (ii) IUPAC name of complex is: Hexaamminecobalt (III) chloride
Description : When a co-ordination compound CrCl3.6H2O is mixed with AgNO3, 2 moles of AgCl are precipitated per mole of the compound. Write (i) Structural formula of the complex. (ii) IUPAC name of the complex. -Chemistry
Last Answer : (i) The complex formed on mixing a coordination compound CrCl3.6H2O with AgNO3 is as follows CrCl3.6H2O + AgNO3 → [Cr(H2O5)Cl]Cl2. H2O (ii) Pentaaquachloridochromium (III) chloride monohydrate
Description : The space time is equivalent to the holding time in a steady state mixed reactor for (A) Non-isothermal gas reaction (B) Variable fluid density systems (C) Constant fluid density systems (D) Gas reactions with changing number of moles
Last Answer : (C) Constant fluid density systems
Description : If the perimeter of a circle is equal to that of a square, then the ratio of their areas is (a) 22:7 (b) 14:11 (c) 7:22 (d) 11:14
Last Answer : (b) 14:11
Description : Two vessels contains equal quantity of solution contains milk and water in the ratio of 7:2 and 4:5 respectively. Now the solutions are mixed with each other then find the ratio of milk and water in the final solution? A) 11:7 B) 11:6 C) 11:5 D) 11:9 E) None of these
Last Answer : Answer: A milk = 7/9 and water = 2/9 – in 1st vessel milk = 4/9 and water = 5/9 – in 2nd vessel (7/9 + 4/9)/ (2/9 + 5/9) = 11:7
Description : The IUPAC name of complex `[Cu(en)_(2)(H_(2)O)_(2)]^(22+)`
Last Answer : The IUPAC name of complex `[Cu(en)_(2)(H_(2)O)_(2)]^(22+)` A. ethylene ... C. diaquobisdietyleamineCU(II)ion D. diaquobis(ethylenediamine)cuprate(II)
Description : How many grams are in 1.11 moles of magnanese sulfate?
Last Answer : 1,11 moles of anhydrous manganese sulfate contain 167,61 g.