Statement 1: TLC is considered more convenient and efficient than paper chromatography. Statement 2: The stationary phase in TLC a thin layer of adsorbent alumina. TLC is therefore, classified as a liquid-solid partition chromatography. Select the correct response:

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A: Given-> Weight. = 200 gm Heat of fusion = 333 J/g  

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A: Catalyst is a substance which can change the rate of a reaction without itself consumed.

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A: given :-  cyclopropane → propene  first order reaction  K = 3.36 × 10-5 s-1  initial cyclopropane co...

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A: Given energy-level diagram:

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A: Given , Reaction :H2O(g) +C(s)→CO(g) +H2(g) Kc=3.00×10-2 T = 1000.0°C  

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Q: Question 77 An 59.74 g sample of aluminum is placed on a Not complete 56.53 g sample of copper initi...

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Q: If 3.21 mol of a gas occupies 56.2 Lat 44 °C and 793 torr, 5.29 mol of this gas occupies __________ ...

A: Given :-  Initial moles = 3.21 mol Initial volume = 56.2 L  Final moles = 5.29 mol  To calculate :- ...

Q: 14. Given the 2 reactions below: 2NOE I. 2NO + 0z8) II. 2Li,Og + 1192 KJ → 4Lig Which statement is c...

A: The energy difference of the products and reactants is known as the energy change of a reaction.

Q: An aqueous solution of 49.60 ml of 0.370mol L-1 NaCN is added to 49.60 ml of 0.370 mol L-1 Zn(NO3)2 ...

A: Each NaCN(aq) is completely dissociated to given 1 CN-(aq). Hence the molarity of NaCN = molarity of...

Q: (a) Balance the following half-reactions by the ion-electron half-reaction method:                 ...

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Q: What is the pH of a solution that is 0.32 M C2H;NH2 (ethylamine) and 0.35 M C2H5NH3 Br (ethylammoniu...

A: Henderson–Hasselbalch equation, POH = PKb + log [salt]/[base] and, PH + POH = 14

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A: To find the rate law, first find order of reaction with respect to each reactant.

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Q: A primary amine R-NH2 has pKb=5.15 at 25°C. A buffer solution is made by adding 1.27 moles of R-NH2 ...

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Q: 3. When 0.118 g of Zn(s) is combined with enough HCl to make 52.3 mL of solution in a coffee-cup cal...

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Q: The pKa of finalic acid is 6.50. a. What is the pH of an equimolar solution of finalic acid and sodi...

A: Hii there, As there are multiple sub parts posted. we are answering first-three sub parts . If you n...

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Q: What alcohol would give the following products on oxidation a. Acetophenone b. Cyclopentanone

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Q: 1. What chemical reaction was performed to study the effect of temperature on the reaction rate? Sho...

A: Rate of reaction depends upon - the concentration of reactant, temperature, pressure, physical state...