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1.in aqueous soln.,Cu2+ ions react with CN- ions to give CuCN &(A).(A) in alkaline soln. undergoes disproportionatio to give (B)$(C).find (A) ,(B),(C).respectively a.(CN)2,CN-,OCN- b.C4N2,CN2-,CN- c.Cu2O,CuO,Cu d.CuOH,CuO,Cu. ...
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in coordinate bond, out of donor or acceptor towards which arrow points ...
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of ICl2- and the number of lone pairs steps !! ...
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y cl is less electronegative than oxygen ...
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in CO wat will be the direction of coordinate bond and wat is the method to find it ...
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atoms with nearly filled shells of electrons have greater electronegativity than those with sparsely occupied shells .. why ????????? ...
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When a white crystalline compound X is heated with K2Cr2O7 and concentrated H2SO4 a reddish brown gas A is evolved. On passing A into caustic soda solution, a yellow coloured solution of B is obtained. Neutralizing the soluti ...
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Pl. help yaarion.............. pehle hi questn me clean bowled :( :'( *Image* ANS : A ...
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which one of these dsnt undergo self-ionisation?? a)N2O4(l) b)H2O (l) C) NH3(l) d) HNO3 (l) only one option correct. ans with reason... please :) ...
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Is this statement correct * For octahedral complex, when ligand is same then stability of the complex is in order Fe2+<CO+2<Ni+1<Cu+2 ...
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,,pl gimme some ideas 2 remember..or learn dem..yaar...dey form the most of jee chem and im never getting dem rite [17] sum1 pl help...tz gettin late ...
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IIT-JEE CHEMISTRY Q.1 Reactions of aluminium with 1. O2 2. N2 3. Cl2 4. Cr2O3 5. Mn3O4 6. HCl 7. H2SO4(Dil.) 8. H2SO4 (Conc.) 9. HNO3 10. NaOH 11. AlCl3 Q.2 Reactions of Al(OH)3 with 1. Acid 2. NaOH 3. Heating Below 450ºC 4. ...
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3PCl5 in solid state xists as [PCl4]+[PCl6]- how does ICl3 Exit in solid form as...???? ...
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which of the following is the weakest acid in H2SO4 ?? a) ClO4- b)NO3- c) HSO4- d) CN-. ...
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Which of the following statement is correct when a mixture of NaCl + K2Cr2O7 is gently warmed with Conc. H2SO4? a) A deep red vapour is evolved b) The vapour when passed in to NaOH solution gives a yellow solution of Na2CrO4 ...
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among the following which is the strongest protonic acid?? a)H20 B) BF3 C) [Fe(H20)6]2+ d) [Fe(H20)6]3+ ...
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which of the following pairs represents the strongest acid and strongest base that can exist in water? a)H3O+ and OH- b)NH4+ and NH2- c)ClO4- and H2F+ d) NO3- AND CHC- (C- C KE BICH ME TRIPLE BOND HAI) ...
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Hey friends! this is aakash sherawat asking you people to give a bit of help in making me learn a bit of chemistry! By the way I am asking you people that in the group chemistry are we supposed to learn the uses of the indivi ...
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pls tell me how to find the hybridisation of a complex compound or ion? ...
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are the complexes K4(VF6) and [Ti(NO3)4] coloured complexes ...
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The highest oxidation state is exhibited in oxoanions of a metal. Why?? My answer is that oxygen has very high electronegativity and can form multiple bonds. Am i correct?? ...
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Which of the following alkali metal hydrides has the lowest lattice energy ? a. LiF b.NaCl c.KBr d.CsI ...
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These are my problems rather than a test a few gud problems in inorganic 1)Which of the following has the highest electrode potential? a. Be b. Mg c. Ca d. Ba 2)Neutrons are produced by a. Ra b. Ba c. Sr d. Be 3)The most elec ...
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why do electron electron enter first in 4s n then in 3d orbital while electron goes frm 4s before 3d?why??????????????? ...
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PS:THIS FORMULA WILL ALWAYS GIVE YOU THE CORRECT ANSWER Just get through wid all this u'll find inorganic petty easy.... SHORTEST FORMULAE FOR HYBRIDIZATION: No of valence electrons + No. of atoms attached to central atom 2 C ...
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Which of the following pairs have identical shapes? a) AlCl3, SO3 b) BeCl2, CO2 c) SF6, XeF6 d) XeF2, CO2 In this type of questions shud v consider the fact that AlCl3 and BeCl2 occur as trimers and dimers respectivelty??? co ...
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PCl5 is more covalent than PF5 ...
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why Concentrated HNO3 becomes yellow when exposed to light.(Or) concentrated HNO3 is an oxidizing agent. ...