Description : What would be the equivalent weight of the reductant in the reaction : `[Fe(CN)_(6)]^(-3)+H_(2)O_(2)+2OH^(-)rarr2[Fe(CN)_(6)]^(4-)+2H_(2)O+O_(2)` [Giv
Last Answer : What would be the equivalent weight of the reductant in the reaction : `[Fe(CN)_(6)]^(-3)+H_(2)O_(2)+2OH^(-) ... O=16,H=1]` A. 17 B. 212 C. 34 D. 32
Description : The unbalanced equation for the reaction of `P_(4)S_(3)` with nitrate in aqueous acidic medium is given below : `P_(4)S_(3)+NO_(3)^(-)rarrH_(3)PO_(4)+
Last Answer : The unbalanced equation for the reaction of `P_(4)S_(3)` with nitrate in aqueous acidic medium is given below : `P_(4) ... A. 18 B. `8//3` C. 8 D. 28
Description : If `H^(+)+OH^(-)rarrH_(2)O+13.7Kcal` , the heat of neutralisation for complete neutralisation of 1 mole of `H_(2)SO_(4)` by base will be
Last Answer : If `H^(+)+OH^(-)rarrH_(2)O+13.7Kcal` , the heat of neutralisation for complete neutralisation of 1 mole of ... . 27.4 Kcal C. 6.85 Kcal D. 3.425 Kcal
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 : Assertion :- Bromide ion is serving as a reducing agent in the reaction `2MnO_(4)^(-)(aq.)+Br^(-)(aq.)+H_(2)Orarr2MnO_(2)(aq.)+BrO_(3)^(-)(aq.)+2OH^(-
Last Answer : Assertion :- Bromide ion is serving as a reducing agent in the reaction `2MnO_(4)^(-)(aq.)+Br^( ... is False. D. If both Assertion & Reason are False.
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 : The volume of 3 M `Ba(OH)^(2)` solution required to neutralize completely 120 mL of 1.5M `H_(3)PO_(4)` solution is :
Last Answer : The volume of 3 M `Ba(OH)^(2)` solution required to neutralize completely 120 mL of 1.5M `H_(3)PO_(4)` solution is :
Description : Find the the valency factor for following acids `(i) CH_(3)CO OH " " (ii) NaH_(2)PO_(4) " " (iii) H_(3)BO_(3)`
Last Answer : Find the the valency factor for following acids `(i) CH_(3)CO OH " " (ii) NaH_(2)PO_(4) " " (iii) H_(3)BO_(3)`
Description : The volume (in ml) of 0.5 M NaOH required for the complete reaction with 150 ml of 1.5M `H_(3)PO_(3)` solution is
Last Answer : The volume (in ml) of 0.5 M NaOH required for the complete reaction with 150 ml of 1.5M `H_(3)PO_(3)` solution is A. 1350 B. 900 C. 1250 D. 1150
Description : How many toluidines on reaction with `NaNO_(2)//HCl` followed by `H_(3)PO_(2)` treatment gives Toluene.
Last Answer : How many toluidines on reaction with `NaNO_(2)//HCl` followed by `H_(3)PO_(2)` treatment gives Toluene.
Description : `C_(2)H_(5)OH overset(KMnO_(4)//H^(oplus))rarrX underset(H_(2)SO_(4))overset(Y)rarr CH_(3)COOC_(2)H_(5)`, X and Y respectively are
Last Answer : `C_(2)H_(5)OH overset(KMnO_(4)//H^(oplus))rarrX underset(H_(2)SO_(4))overset(Y)rarr CH_(3)COOC_(2)H_(5)` ... CH_(3)COOH` D. `CH_(3)COOH, C_(2)H_(5)OH`
Description : How many N atom are present in final product `overset(Sn//HCl)rarr overset(NaNO_(2)//HCl)rarr overset(H_(3)PO_(2))rarr` Final product.
Last Answer : How many N atom are present in final product `overset(Sn//HCl)rarr overset(NaNO_(2)//HCl)rarr overset(H_(3)PO_(2))rarr` Final product.
Description : Which of the following salt/s of `H_(3)PO_(3)` exists ? (I)) `NaH_(2)PO_(3)` (II) `Na_(2)HPO_(3)` (III) `Na_(3)PO_(3)`
Last Answer : Which of the following salt/s of `H_(3)PO_(3)` exists ? (I)) `NaH_(2)PO_(3)` (II) `Na_(2)HPO_(3)` ... B. I, II and III C. II and III only D. III only
Description : Good reducing nature of `H_(3)PO_(2)` is attributed to the presence of :
Last Answer : Good reducing nature of `H_(3)PO_(2)` is attributed to the presence of : A. one `P - H` bond B. One `P - ... . Two `P - OH` bonds D. Two `P - H` bonds
Description : For `H_(3)PO_(3)` and `H_(3)PO_(4)` the correct choice is
Last Answer : For `H_(3)PO_(3)` and `H_(3)PO_(4)` the correct choice is A. `H_(3)PO_(3)` is dibasic and ... reducing D. `H_(3)PO_(3)` is tribasic and non-reducing
Description : Number of acids having central atom in `+3` oxidation state among the following is (a) `HNO_(2)` (b) `HNO_(3)` (c) `H_(3)PO_(2)` (d) `H_(3)PO_(3)` (e)
Last Answer : Number of acids having central atom in `+3` oxidation state among the following is (a) `HNO_(2)` (b) `HNO_(3)` (c ... (2)S_(2)O_(8)` (k) `H_(2)SO_(4)`
Description : `N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3), HNO_(3), H_(3)PO_(3)`. (a) Among the above compounds, co
Last Answer : `N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3 ... `d pi - p pi` bond are y. Given the answer as `x + y`
Description : The true statement for the acids of phosphorus `H_(3)PO_(2), H_(3)PO_(3) and H_(3)PO_(4)` is
Last Answer : The true statement for the acids of phosphorus `H_(3)PO_(2), H_(3)PO_(3) and H_(3)PO_(4)` is A. the ... (3)PO_(3) gt H_(3)PO_(4)` D. All of these
Description : The true statement for the acids of phosphorus. `H_(3)PO_(2) ,H_(3)PO_(3)` and `H_(3)PO_(4)` is:
Last Answer : The true statement for the acids of phosphorus. `H_(3)PO_(2) ,H_(3)PO_(3)` and `H_(3)PO_(4 ... ` is obtained by alkaline hydrolysis of `P_(4)` (white)
Description : A bottle of `H_(3)PO_(4)` solution contains 70% acid. If the density of the solution is `1.54 g cm^(-3)` , the volume of the `H_(3)PO_(4)` solution re
Last Answer : A bottle of `H_(3)PO_(4)` solution contains 70% acid. If the density of the solution is `1.54 g cm^(-3) ... is . A. 90 mL B. 45mL C. 30mL D. 23mL
Description : `{:("column I","column II"),("(A)"4.1gH_(2)SO_(3),"(p) 200 mL of 0.5 N base is used for complete neutralization"),("(B)" 4.9 g H_(3)PO_(4),"(q) 200 mi
Last Answer : `{:("column I","column II"),("(A)"4.1gH_(2)SO_(3),"(p) 200 mL of 0.5 N base is used for ... Na_(2)CO_(3),"(s)May react with an oxidising agent"):}`
Description : What is the basicity of `H_(3)PO_(3)` ?
Last Answer : What is the basicity of `H_(3)PO_(3)` ?
Description : In the following reaction, `SO_(4)` acts as a reducing agent: `SO_(2)+Cl_(2)+2H_(2)O to H_(2)SO_(4)+3HCl` Find the equivalent weight of `SO_(2)`.
Last Answer : In the following reaction, `SO_(4)` acts as a reducing agent: `SO_(2)+Cl_(2)+2H_(2)O to H_(2)SO_(4)+3HCl` Find the equivalent weight of `SO_(2)`.
Description : Oxidation number of P in `PO_(4)^(3-)`, of S in `SO_(4)^(2-)` and that of `Cr_(2)O_(7)^(2-)` are respectively
Last Answer : Oxidation number of P in `PO_(4)^(3-)`, of S in `SO_(4)^(2-)` and that of `Cr_(2)O_(7)^(2-)` are ... . `+3, +6 and +5` D. `+5, +3, and +6`
Description : The oxidation number of phosphorus in `PH_(4)^(+),PO_(2)^(3-),PO_(4)^(3-) and PO_(3)^(3-)` are respectively :-
Last Answer : The oxidation number of phosphorus in `PH_(4)^(+),PO_(2)^(3-),PO_(4)^(3-) and PO_(3)^(3-)` are respectively :- A. ... . `+3,-3,+5,+1` D. `-3,+1,+5,+3`
Description : Determine the equivalent weights of the following salts: `(a) NaCl" " (b) K_(2)SO_(4) " " Ca_(3)(PO_(4))_(2)`
Last Answer : Determine the equivalent weights of the following salts: `(a) NaCl" " (b) K_(2)SO_(4) " " Ca_(3)(PO_(4))_(2)`
Description : The value of enthalpy change `(DeltaH)` for the reaction `C_(2)H_(5)OH (l)+3O_(2) (g) rarr 2CO_(2) (g) +3H_(2)O (l)` at `27^(@)C` is `-1366.5 kJ mol^(
Last Answer : The value of enthalpy change `(DeltaH)` for the reaction `C_(2)H_(5)OH (l)+3O_(2) (g) rarr 2CO_(2) (g) + ... 1369. kJ` C. `-1364.0 kJ` D. `-1361.5 kJ`
Description : In the reaction, `Cl_(2)+OH^(-)rarrCl^(-)+ClO_(4)^(-1)+H_(2)O`, chlorine is:
Last Answer : In the reaction, `Cl_(2)+OH^(-)rarrCl^(-)+ClO_(4)^(-1)+H_(2)O`, chlorine is: A. ... C. Oxidised as well as reduced D. Neigher oxidised nor reduced
Description : In the given reaction which one of the following statement is correct - `C_(6)H_(5)-underset(CH_(3))underset(|)(C)=O+NH_(2)-OH to "Oxime" overset(PCl_
Last Answer : In the given reaction which one of the following statement is correct - `C_(6)H_(5)- ... elimination reaction. D. oxime and amides are isomers.
Description : The reaction, `C_(6)H_(5)ONa +CO_(2)+H_(2)O rarr C_(6)H_(5)OH+NaHCO_(3)` suggests that `:`
Last Answer : The reaction, `C_(6)H_(5)ONa +CO_(2)+H_(2)O rarr C_(6)H_(5)OH+NaHCO_(3)` suggests that ... C. Water is stronger acid than phenol D. None of the above
Description : `C_(6)H_(5)OH+CHCl_(3)+NaOH rarr` salicyladehyde The electrophile involved in the above reaction is.
Last Answer : `C_(6)H_(5)OH+CHCl_(3)+NaOH rarr` salicyladehyde The electrophile involved in the above reaction is. A. ... ` D. formly cation `(overset(o+)(C)HO)`
Description : `R-OH + HX to R -X + H_(2)O` In the above reaction the reactivity of different alcohols is
Last Answer : `R-OH + HX to R -X + H_(2)O` In the above reaction the reactivity of different alcohols is ... `gt` secondary D. Secondary `gt` primary `gt` tertiary
Description : Identify A and B in the following reaction `C_(2)H_(5) - Cl overset(A)rarr C_(2)H_(5) OH overset(B)leftarrow C_(2)H_(5)Cl`
Last Answer : Identify A and B in the following reaction `C_(2)H_(5) - Cl overset(A)rarr C_(2)H_(5) OH overset(B)leftarrow C_ ... 2)` D. `A = AgNO_(2), B = KNO_(2)`
Description : `(CH_(3))_(3)C - OH overset(H_(2)SO_(4)) rarr (CH_(3))_(2) C = CH_(2)`, This reaction takes place through
Last Answer : `(CH_(3))_(3)C - OH overset(H_(2)SO_(4)) rarr (CH_(3))_(2) C = CH_(2)`, This reaction ... )2` mechanism C. `E_(1)` mechanism D. `E_(2)` mechanism
Description : Asserion (A): The boiling point of `C_(2)H_(5)OH` is less than that of `H_(2)O` though the molecular weight of `C_(2)H_(5)OH` is more than that of wat
Last Answer : Asserion (A): The boiling point of `C_(2)H_(5)OH` is less than that of `H_(2)O` though the molecular ... but R is false D. A is false but R is true
Description : Hydrogen peroxide in its reaction with `KIO_(4)` and `NH_(2)OH` respectively, is acting as a
Last Answer : Hydrogen peroxide in its reaction with `KIO_(4)` and `NH_(2)OH` respectively, is acting ... agent, oxidising agent D. oxidising agent, reducing agent
Description : In the conversion `NH_(2)OH rarr N_(2)O`, the equivalent weight of `NH_(2)OH` will be:
Last Answer : In the conversion `NH_(2)OH rarr N_(2)O`, the equivalent weight of `NH_(2)OH` will be: A. M/4 B. M/2 C. M/5 D. M/1
Description : 1 mole of `OH^(-)` ions is obtained from 85 g of hydroxide of a metal. What is the equivalent weight of the metal ?
Last Answer : 1 mole of `OH^(-)` ions is obtained from 85 g of hydroxide of a metal. What is the equivalent weight of the metal ?
Description : What are the value of p,q,r, and s for the following reaction `" "pO_(3) + qHI to rI_(2) + sH_(2)O`
Last Answer : What are the value of p,q,r, and s for the following reaction `" "pO_(3) + qHI to rI_(2) + sH_(2)O` A. 1,6,3,1 B. 1,6,3,3 C. 1,6,6,3 D. 1,6,3,6
Description : In the following reaction `HC_(2)O_(4)^(-)(aq)+PO_(4)^(3-)(aq)hArrHPO_(4)^(-2)(aq)+C_(2)O_(4)^(2-)(aq)`, which are the two Bronsted bases?
Last Answer : In the following reaction `HC_(2)O_(4)^(-)(aq)+PO_(4)^(3-)(aq)hArrHPO_(4)^(-2)(aq)+C_(2)O_(4)^(2-)(aq)` ... 2-)` D. `HC_(2)O_(4)^(-)`and HPO_(4)^(2-)`
Description : Role of hydrogen peroxide iin the following reaction is respectively. `(i)" " H_(2)O_(2) +O_(3) rarr H_(2)O+ZO_(2)` `(ii)" " H_(2)O_(2)+Ag_(2)Orarr Aa
Last Answer : Role of hydrogen peroxide iin the following reaction is respectively. `(i)" " H_(2)O_(2) +O_(3) rarr H_ ... in II D. oxidising in I as well as in II