Description : `Na_(2)S + Na_(2)[Fe(CN)_(5)NO]to " X"` (Violet colour) The total number of possible isomers for complex " X" is , provided the ambident behaviour of
Last Answer : `Na_(2)S + Na_(2)[Fe(CN)_(5)NO]to " X"` (Violet colour) The total number of possible ... the ambident behaviour of `CN^(-)` is not considered.
Description : Why cyanide ion act as ambident nucleophile ?
Last Answer : Ans.---- Cyanide ion can link through either carbon or nitrogen, therefore it is an ambident nuclophile.
Description : Who was "CNO" (chief of naval operations) during Cuban Missile Crisis?
Last Answer : George Anderson
Description : Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason :- One N atom is present in the ammonium ion while the ot
Last Answer : Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason : ... is False. D. If both Assertion & Reason are False.
Description : What are ambident nucleophiles?
Last Answer : Nucleophiles which can attack through two different sites arecalled ambident nucleophiles. For example, cyanide ion is aresonance hybrid for its structure. It can attack either throughcarbon to form cyanides or through N to form isocyanides orcarbylamines.
Description : Conjugation of electron withdrawing groups, e.g., `-CHO`, `-overset(O)overset("|")C-R", "-overset(O)overset(||)C-OR", "-C-=N", "-NO_(2)` activates nuc
Last Answer : Conjugation of electron withdrawing groups, e.g., `-CHO`, `-overset(O)overset("|")C-R", "-overset(O) ... O)overset(||)C-ORgt-overset(O)overset(||)C-R`
Description : What is the consist of two nonmetal atoms bonded together?
Last Answer : Feel Free to Answer
Description : (1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one ... surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.
Last Answer : Helium gas is filled in ballons because (1) its atomic number is 2 (2) it is lighter than air (3) it is one of the constitutents of water (4) it is a noble gas
Description : A substance whose molecules consist of dissimilar atoms is called?
Last Answer : A substance whose molecules consist of dissimilar atoms is called compound.
Description : Maximum atmospheric `NO_(2)` pollution is found in
Last Answer : Maximum atmospheric `NO_(2)` pollution is found in A. Baroda/Vadodra B. Chennai C. Nagpur D. Mumbai.
Description : The number of electrons required to balance the following equation are : `NO_(3)^(-)+4H^(+)rarr2H_(2)O+NO`
Last Answer : The number of electrons required to balance the following equation are : `NO_(3)^(-)+4H^(+)rarr2H_(2)O+ ... left side C. 3 on right D. 5 on left side
Description : In the balanced equation - `[Zn+H^(+)+NO_(3)^(-)rarr NH_(4)^(-) rarr NH_(4)^(+) +Zn^(+2)+H_(2)O]` coefficient of `NH_(4)^(+)` is :-
Last Answer : In the balanced equation - `[Zn+H^(+)+NO_(3)^(-)rarr NH_(4)^(-) rarr NH_(4)^(+) +Zn^(+2)+H_(2)O]` coefficient ... (4)^(+)` is :- A. 4 B. 3 C. 2 D. 1
Description : For the redox reaction `Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-)` is basic medium, coefficients of `Zn, NO_(3)^(-) and OH^(-)` in the balanced equation re
Last Answer : For the redox reaction `Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-)` is basic medium, coefficients of `Zn, NO_(3)^(-) ... . 7, 4, 1 C. 4, 1, 10 D. 1, 4, 10
Description : The number of electrons required to balanced the following equation- `NO_(3)^(-)+4H^(+)+e^(-)rarr2H_(2)O+NO` is -
Last Answer : The number of electrons required to balanced the following equation- `NO_(3)^(-)+4H^(+)+e^(-)rarr2H_(2)O+NO` is - A. 5 B. 4 C. 3 D. 2
Description : 446 g of PbO , 46 g of `NO_(2)` and 16 g of `O_(2)` are allowed to react according to the equation :- `PbO+2NO_(2)+(1)/(2)O_(2)toPb(NO_(3))_(2)` The a
Last Answer : 446 g of PbO , 46 g of `NO_(2)` and 16 g of `O_(2)` are allowed to react according to the equation :- ... 331 g B. 662 g C. 165.5 g D. none of these
Description : The `-NO_(2)` group in an aromatic ring deactivates the ortho and para positions for an electrophilic attack. When `-NO_(2)` group is present at ortho
Last Answer : The `-NO_(2)` group in an aromatic ring deactivates the ortho and para positions for an electrophilic attack. When ` ... product (I) is : A. B. C. D.
Last Answer : The `-NO_(2)` group in an aromatic ring deactivates the ortho and para positions for an electrophilic attack. When ` ... product (H) is : A. B. C. D.
Last Answer : The `-NO_(2)` group in an aromatic ring deactivates the ortho and para positions for an electrophilic attack. When ` ... product (G) is : A. B. C. D.
Description : `Ph-NO_(2) overset(Sn//HCl)rarr underset("HCl, " 0^(@)C-5^(@)C)overset(NaNO_(2))rarr underset(Ph-OH)overset("Basic medium")rarr "Product Y"` Find the
Last Answer : `Ph-NO_(2) overset(Sn//HCl)rarr underset("HCl, " 0^(@)C-5^(@)C)overset(NaNO_(2) ... report your answer as `underset(2)overset("Molecular weight")rarr`
Description : A nitrile X is treated with `LiAIH_(4)` to obtain compound `Y(C_(2)H_(9)N)` reacts with benzensulfonyl chloride to give `Y(C_(13)H_(13)NO_(2)S)` which
Last Answer : A nitrile X is treated with `LiAIH_(4)` to obtain compound `Y(C_(2)H_(9)N)` reacts with benzensulfonyl chloride ... (3)CH_2COO^(-))(CH_(3)NH_(3)^(+))`
Description : The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3))_(2)` (iv) `NH_(4)NO_(3)` . Which of the following statement/s
Last Answer : The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3)) ... and (iii) liberate `O_(2)` D. All statements are correct
Description : Aqueous solution of how many of the following species turn blue limtus red ? (i) `SF_(4)` (ii) `PCl_(3)` (iii) `H_(2)O` (iv) `NO_(2)Cl` (v) `SF_(6)` (
Last Answer : Aqueous solution of how many of the following species turn blue limtus red ? (i) `SF_(4)` (ii) `PCl_(3)` ( ... )` (xii) `COCl_(2)` (viii) `C Cl_(4)`
Description : In how many of the following reactions `N_(2)` gas may be released `{:((a) NH_(4)NO_(2) overset(Delta)rarr,(b) (NH_(4))_(2) Cr_(2)O_(7) overset(Delta)
Last Answer : In how many of the following reactions `N_(2)` gas may be released `{:((a) NH_(4)NO_(2) overset(Delta) ... i) Ba(N_(3))_(2) overset(Delta) rarr):}`
Description : Number of gaseous oxides among the following at room temperature is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` (d) `NO_(2)` (e) `N_(2)O_(5)` (f) `P_(4)O_
Last Answer : Number of gaseous oxides among the following at room temperature is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` ( ... (4)O_(10)` (h) `SO_(2)` (i) `SO_(3)`
Description : `NO_(2)` can be prepared by heating :
Last Answer : `NO_(2)` can be prepared by heating : A. `NH_(4)NO_(3)` B. `NaNO_(3)` C. `Pb(NO_(3))_(2)` D. `KNO_(3)`
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 : `28 NO_(3)^(-)+3As_(2)S_(3)+4H_(2)O rarr 6AsO_(4)^(3-)+28NO+9SO_(4)^(2-)+H^(+)` What will be the equivalent mass of As_(2)S_(3)` in the above reaction
Last Answer : `28 NO_(3)^(-)+3As_(2)S_(3)+4H_(2)O rarr 6AsO_(4)^(3-)+28NO+9SO_(4)^(2-)+H^(+)` What will be the equivalent ... (M)/(4)` C. `(M)/(24)` D. `(M)/(28)`
Description : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and 2.84 BM respectively. The second complex i
Last Answer : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2 ... . D. It produces three-fold freezing point depression.
Last Answer : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and ... (H_(2)O)_(2)](NO_(3))_(2)`, octahedral
Last Answer : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero ... two B. zero, zero C. two, zero D. two ,two
Description : Which of the following statementss about ammonium cerium (IV) nitrate, `(NH_(4))_(2)[Ce(NO_(3))_(6)]` is false ?
Last Answer : Which of the following statementss about ammonium cerium (IV) nitrate, `(NH_(4))_(2)[Ce( ... icosahedron D. The solution is used as oxidizing agent.
Description : How many isomers are possible for a compound with formula, `[Rn(en)_(2)Cl(NO_(2))]` ?
Last Answer : How many isomers are possible for a compound with formula, `[Rn(en)_(2)Cl(NO_(2))]` ? A. 2 B. 4 C. 6 D. 8
Description : The total number of possible isomers of sqaure-planar `[Pt(Cl)(NO_(2))(NO_(3))(SCN)]^(2-)` is :
Last Answer : The total number of possible isomers of sqaure-planar `[Pt(Cl)(NO_(2))(NO_(3))(SCN)]^(2-)` is : A. 8 B. 12 C. 16 D. 24
Description : Which one of the following complexes will consume more equivalent of aqueous solution of `Ag(NO_(3))` ?
Last Answer : Which one of the following complexes will consume more equivalent of aqueous solution of `Ag(NO_(3))` ? A. `Na_(3) ... ` D. `Na_(2)[CrCl_(5)(H_(2)O)]`
Description : IUPAC name `[Co(NH_(3))_(5)(NO_(2))]Cl_(2)` is
Last Answer : IUPAC name `[Co(NH_(3))_(5)(NO_(2))]Cl_(2)` is A. Nitrito-N-pentaamminecobalt( ... -cobalt(II)chloride D. Pentaamminenitrito-N-cobalt (III) chloride
Description : Among the species given below, the total number of diamagnetic species is _________. H atom, `NO_(2)` monomer,`O_(2)^(-)` (superoxide), dimeric sulphu
Last Answer : Among the species given below, the total number of diamagnetic species is _________. H atom, `NO_(2)` monomer,`O_( ... 4)],K_(2)MnO_(4), K_(2)CrO_(4)`
Description : The volume (in `mL`) of `0.1M Ag NO_(3)` required for complete precipitation of chloride ions present in `30 mL` of `0.01M` solution of `[Cr(H_(2)O)_(
Last Answer : The volume (in `mL`) of `0.1M Ag NO_(3)` required for complete precipitation of chloride ions present ... Cl]Cl_(2)`, as silver chloride is close to:
Description : The ionisation isomer of `[Cr(H_(2)O)_(4) Cl (NO_(2))]Cl`
Last Answer : The ionisation isomer of `[Cr(H_(2)O)_(4) Cl (NO_(2))]Cl` A. `[Cr(H_(2)O)_(4)(O_(2)N)]Cl_(2)` B. `[Cr( ... D. `[Cr(H_(2)O)_(4)Cl_(2)(NO_(2))].H_(2)O`
Description : How many isomeric forms are possible for the octahedral complex. `[Rh(en)_(2)(NO_(2))(SCN)]^(+)` ?
Last Answer : How many isomeric forms are possible for the octahedral complex. `[Rh(en)_(2)(NO_(2))(SCN)]^(+)` ?
Description : Total number of paramagnetic complexes which are inner orbital complexes : `(i) [Cr(NH_(3))_(6)]Cl_(3) " " (ii)[Co(NH_(3))_(6)](NO_(3))_(2)" " (iii)[N
Last Answer : Total number of paramagnetic complexes which are inner orbital complexes : `(i) [Cr(NH_(3))_(6)]Cl_(3) " " (ii)[ ... (4)]" " Na_(4)[Fe(CN)_(5)(NOS)]`
Description : The number of geometrical isomers of `[Co(NH_(3))_(3)(NO_(3))_(3)]` is
Last Answer : The number of geometrical isomers of `[Co(NH_(3))_(3)(NO_(3))_(3)]` is
Description : `[Co(NH_(3))_(5)NO_(2)]Cl_(2) and [Co(NH_(3))_(5)ONO]Cl_(2)` are related to each other as :
Last Answer : `[Co(NH_(3))_(5)NO_(2)]Cl_(2) and [Co(NH_(3))_(5)ONO]Cl_(2)` are ... isomers B. linkage isomers C. coordination isomers D. ionisation isomers
Description : Arrange the following compounds in order of increasing molar conductivity . `(i) K[Co(NH_(3))_(2)(NO_(2))_(4)]" " (ii) [Cr(NH_(3))_(3)(NO_(2))_(3)]` `
Last Answer : Arrange the following compounds in order of increasing molar conductivity . `(i) K[Co(NH_(3))_(2)(NO_(2))_(4)]" ... )" " (iv) [Cr(NH_(3))_(6)]Cl_(3)`
Description : The brown ring test for `NO_(2)^(-)` and `NO_(3)^(-)` is due to the formation of complex ion with formula `:`
Last Answer : The brown ring test for `NO_(2)^(-)` and `NO_(3)^(-)` is due to the formation of complex ion with formula `:` A. ... )` D. `[Fe(H_(2)O)(NO)_(5)]^(2+)`
Description : The acidic aqueous solution of ferrous ion forms a brown complex in the presence of `NO_(3)^(Θ)` by the follwing two steps: `[Fe(H_(2)O)_(6)]^(2+) +NO
Last Answer : The acidic aqueous solution of ferrous ion forms a brown complex in the presence of `NO_(3)^(Θ)` ... + H_(2)O` Complete and balance the equations .