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1.which salt dissociate easily.Agcl or CH3COONH4 ???why????? ...
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Colemante on being treated with Sodium Carbonate gives Calcium Carbonate, and (A) & (B). A on being treated with CO2 gives B with Sodium Carbonate. B+HCl(conc) gives NaCl & an acid, which on being treated with water gives ano ...
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When inter halogen compds r hydrolysed , less Electronegative element changes its oxidn no. TRUE / FALSE ...
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How many bridging atoms in ligands is/are present in [Fe4O(CH3COO)6]? ...
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Statement 1 : Band gap in germanium is small. Statement 2 : The energy spread of each germanium atomic energy level is infinitesimally small. ...
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1..why calcination done below the fusion temp. of metal and that in roasting below its M.P ...
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1..WHICH IS PARAMAGNETIC--- A. TRIPLET O2 B[.Cu(CN)4]2- C.[Pt(Cl)4]2- ...
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Identify the least table ion among the following A. Li- B. Be- C. B- D. C- ...
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which of the following types of bonds are present in CuSO4.5H2O 1.ELECTROVALNT 2..COVALENT 3.COORDINATE (GIVE REASONS) ...
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1. what are the no. of stereoisomers of MA3BCD type of complex?????? (give the structures if possible ) ...
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1..for stability of complex compounds we have to consider charge on central atom or whether it is inner or outer orbital complex ...
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Identify the correct order of acidic strengths of CO2,CuO,CaO,H2O A. CaO<CuO<H2O<CO2 B. H2O<CuO<CaO<CO2 C. CaO<H2O<CuO<CO2 D. H2O<CO2<CaO<CuO ...
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i had a wierd doubt..y is dsp2 square planar while sp3 is tetrahedral?? ...
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Q1 what happens when stannous sulfide treated with yellow ammonium sulfide ?? Q2 How can Co and NI be separated Q3 How can Cu2+ and Cd2+ be separated ?? ...
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1.. equivalent wt. of HCl when it is treated with with K2Cr2O7 a.36.5 b.>36.5 c.<36.5 d.unpredictable ...
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*Image* ...
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Metal + dil. HCl -A A + Na2HPO4 / NH4OH = B (white ppt) A + HCl (heated) = C C on electrolysis in presence of NaCl gives metal M The compound A is 1. CaCl2 . 2H2O 2. Na2SO4 . 10 H2O 3. MgCl2 . 6H2O 4. CaSO4 . 2H2O The compoun ...
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MATCH THE COLUMN COLUMN 1 (SOLUTION) COLUMN 2 (concentration) 1) BORAX A) sp2 2) PCl5 (solid) B) sp3 3) H4Io6- c) sp3d 4) N3P3Cl6 d) sp3d2 (phosphazenes) ...
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1) Statement 1 : Agl is yellow and more soluble than Ag2S in water. Statement 2 : Agl shows colour due to d-d transition and is more soluble as it is more covalent. ...
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Can anyone plz explain the reason behind the trend of electron gain enthalpy in the following table *Image* btw in the above table there is a mistake in the atmospheric content row the -- should in case of Radon instead of Ne ...
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1.calculate the no. of metal-metal bond of Co4(CO)12 if complex follows 18e- rule ???? ...
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Which pair gives Cl2 at room temp ? A. conc HCl + KMnO4 B. NaCl + conc H2SO4 C. NaCl + MnO2 D. NaCl + conc HNO3 ...
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match--- 1.Cl2O a. acidic oxide 2.ClO2 b. HOCl 3.Cl2O6 c. HClO2 4.Cl2O7 d. HClO4 ...
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Which of the following alloys contain(s) Cu and Zn ? A. Bronze B. Brass C. Gun metal D. Type metal According to me ans should be B,C.. but fiitjee has given A,B,C.Pls confirm. ...
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Which compound does not dissolve in hot dil HNO3 ? A. HgS B. PbS C. CuS D. CdS ...
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ALKALI METALS (specially for anand) (IIT syll: Oxides, peroxides, hydroxides, carbonates, bicarbonates, chlorides and sulphates of sodium, potassium, magnesium and calcium) Alkali and alkaline earth metal hydroxides Solubilit ...
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For a negatively charged colloidal solution, the flocculation value of electrolyte is minimum in case of 1. Potassium citrate 2. Potassium formate 3.Potassium acetate 4. All have equal value ...
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1.a plot of gibbs energy vid extent of reaction has a)a minimum at equilibirium b) a max at equilibirium c) + slope at eq d) - slope at eq 2. if half life of a reactant decreases wen temp is changed from T1 to T2 a) it is exo ...