Recently Active Chemistry Questions

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Are resonating structures in equilbrium?????????????If yes whether it is static or dynamic?????????? ...

RCM (50) calculate the heat of the foll reaction: CH3COCH3 + 2O2 → CH3COOH + CO2 + H2O Bond energies : C-H = 414.49 C-C = 347.92 C=O = 724.32 O=O = 494.04 O-H = 462.64 C-O = 967.13 Resonance energy : -COOH = 117.23 CO2 = 13 ...

1.. equivalent wt. of HCl when it is treated with with K2Cr2O7 a.36.5 b.>36.5 c.<36.5 d.unpredictable ...

In a cubic closed packed structure of mixed oxides,the lattice is made pup of oxide ions,20%of tetrahedral voids are occupied by divalent x+2 ions an 50% of the octahedral voids are occupied by trivalent Y+3 ions. The formula ...

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Its high time now [3] (Some NCERT + HOTS Qn(s)) BIOMOLECULES 1)Where does, the water present in the egg, go after boiling the egg? 2) Name a water soluble vitamin which is a powerful antioxidant. 3) Fructose contains a keto g ...

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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 ...

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. ...

*Image* plz someone explain the answers of options B and C to me or in short explain to me : the cases in which anti-saytzeff elimination takes place thanks ...

The spin only magnetic moment value( in Bohr Magneton units ) of Cr(CO)6 is A) 0 B) 2.84 C) 4.90 D) 5.92 ( ANSWER THE QUESTION WITH EXPLANATION ) ...

The dissociation constant of a substituted benzoic acid at 25 °C is 1 x 10-4. The pH of 0.01M solution of its sodium salt is ( INTEGER TYPE QUESTION ) ...

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1) Statement 1 : Hydrogenation of a compound is mostly an exothermic reaction. Statement 2 : Higher the heat of hydrogenation more will be the stability of parent compound. ...

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..HOW ELECTRIC AND MAGNETIC FIELD CAN AFFECT RATE OF REACTION ?????? ...

1.calculate the no. of metal-metal bond of Co4(CO)12 if complex follows 18e- rule ???? ...

WITH t TIME TAKEN IN SECONDS AND I TAKEN IN AMPERE THE VARIATION OF I FOLLOWS THE EQUATION t2+I2=25.WHAT AMOUNT OF Ag WILL BE ELECTRODEPOSITED WITH THIS CURRENT FLOWING IN THE INTERVAL 0-5SEC.Ag-108. A 22mg B 66mg C 72mg D 88 ...

1..stability of following carbanion can be explained by *Image* a.inductive effect. b.mesomeric effect c.s- character ...

Which pair gives Cl2 at room temp ? A. conc HCl + KMnO4 B. NaCl + conc H2SO4 C. NaCl + MnO2 D. NaCl + conc HNO3 ...

Molar conductivity?? specific conductivity ?? conductivity?? conductance?? are they same?? ...

match--- 1.Cl2O a. acidic oxide 2.ClO2 b. HOCl 3.Cl2O6 c. HClO2 4.Cl2O7 d. HClO4 ...