Recently Active Inorganic Chemistry Questions

Q1Boron readily dissolves in a)conc HCl b)fused NaOH at 673K c)fused Na2CO3 +NaNO3 at 1173K d)mixture of conc. HNO3 and conc. H2SO4 (1:2) Q2 Nitrogen can combine at higher temp directly to give nitrides with a)Mg b)Al c)Zn d) ...

Which is stable towards Hydrolysis? SiCl4 PF3 NCl3 NF3 ...

ncert ques...... Why elements of first transition series possess many properties different from those of heavier transition elements. ...

Which has electrovalent covalent coordinate as well as Hydrogen bond? CuSO4.5H2O ZnSO4.7H2O FeSO4.7H2O FeCl3.6H2O ...

AgCl is col-less while AgI is yellow. ... coz.. a) there's d-d transition in AgI but not in AgCl. b) the polarisability of Cl is less , covalent contributiob is less , so it is white. c) col of AgI is coz of transfre of elect ...

Q1 True statements regarding copper sulfate a)it reacts with NaOH and glucose to give Cu2O b)it reacts with KCl to give Cu2O c)it gives CuO on st. heating in air d)it reacts with KI to give brown color *More than one correct* ...

Number of S-S bond in H2SnO6 is? ...

Q1 Which hydride ha no reaction with water a)NH3 b)CH4 c)PH3 d)NaH Q2 which one is highly flammable in nature a)NaBH4 b)LiAlH4 c)B2H6 d)CH4 Q3 which undergoes spontaneous combustion with exposure to air a)PH3 b)P2H4 c)N2H4 d) ...

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Q1 which hydride doesnt react with water ? Q2a)NH3 b)PH3 c)B2H6 d)AsH3 Q2 what happens t oacidic strength when OH group is strongly attached to SiO2 derivatives ? Q3 Compare basicity :(SiH3)3N and (CH3)3N Q4 general forumula ...

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1] Salt having least solubility in Water BaCl2 BaNO3 MgSO4 BaSO4 2] Lowest enthalpy of Fusion F2 H2 Cl2 Helium 3] Strongest P-O bond is found in F3PO Cl3PO Br3PO (CH3)3PO 4] Arrange increasing Solubility of Na2SO4 BeSO4 MgSO4 ...

Why the lowest oxide of transition metals is basic,whereas the highest is amphoteric/acidic?? ...

In nitroprusside ion, the iron & NO exists as Fe(2) & NO+ rather than Fe(3) & NO.These forms can be differentiated by- a)estimating the conc. Of iron b)measuring the conc. Of CN- c)measuring the solid state magnetic moment d) ...

arrange in inc order of acidity: [Na(H20)6]+ [Sc(H20)6]3+ [Fe(H20)6]3+ [Mn(H20)6]2+ [Ni(H20)6]2+ ...

Q1 Boiling CuCl2 with excess copper turnings and conc HCl gives ?? Q2 Cu2+ is more stable than Cu+ due to ?? Q3 CuSO4 + lime = ?? Q4 Yellow mercuric oxide is obtained by? Q5 The iron salt used in blue prints is ?? ...

Q1 green powder blown in air during fireworks from ammonium dichromate is ? Q2 why ferric chloride is used for etching copper and silver metals ? Q3 heating ferric sulfate gives ?? ...

Q1species undergoing disproprtionation in alkaline medium ? a)Cl2 b)MnO42- c)NO2 d)ClO42- Q2metal oxide decomposing on heating ? a)ZnO b)Al2O3 c)Ag2O d)HgO ...

Q1 Mercury is liquid at 0°C due to _________ and _________ Q2An element in 3d transition series shows 2 oxidn states x an dy which differ by 2 units.Find conditions between x and y for compound to be ionic and covalent Q3WHi ...

Q1 FeI3 doesnt exist becoz ? Q2 MnO2 dissolves in conc. HCl to form ? Q3 In which of the following ,color is due to charge transfer ? a)[Mn(OH)4]2- b)MnO42- c)MnO2 ...

Q1 Na2CO3 +Fe2O3→A +CO2 Q2 AgNO3→heat W+X+O2 X+ H2O→HNO2+HNO3 W+HNO3→Y+NO+H2O Y+Na2S2O3(excess)→Z+NaNO3 ...

Q1 Philosopher's wool when heated with BaO at 1100 C gives ? Q2Which managanese oxide is amphotseric ? Q3 copper (II) ions give redish brown ppt wth potassium ferrocyanide.Find formula of ppt. its Cu2[Fe(CN)6] naa ?? Q4 how t ...

Q1 Anhydrous Ferric chloride is prepared by ?? Q2 FeCl3.6H2O is actually ?? Q3 Ferrous and ferric ions may be distinguished by ? Q4 Ferric ions are estimated by ? Q5 Mohr Salt on oxidation with conc. HNO3 gives ? ...

In nitroprusside ion the iron and NO exist as Fe(II) and NO+ rather than Fe(III) and NO. These forms can be differentiated by : (A) estimating the concentration of iron. (B) measuring the concentration of CN. (C) measuring th ...

Which has highest MP? NaCl KCl MgO BaO How? ...

Which metal cannot be obtained by electrolysis of their aq. salt solutions: a)Ag b)Mg c)Au d)Cr well,shouldn't it be both Mg and Cr? answer given is only Mg. ...

Which doesnt have coordinate bond? BF4- HF2- ...

potassium cyanide react with R----X to give alkyl cyanide while silver cyanide forms an isocyanide as a major product?? ...

well pls suggest sum gud book (other than o.p.tandon and maity ganguly) for inorganic.im horrible at it- 1)white ZnO on heating looses oxygen and becomes yellow due to defects in solid structure.no of defects increases or dec ...

Shapes of Nitrile and Nitrite are: A]Linear and Angular B]Angular and Linear C]Both Angular D]Both Linear ...