JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 – 2019

The degree of dissociation is 0.4 at 400K and 1.0 atm for the gaseous reaction PCl5⇔PCl3+Cl2 Assuming ideal behaviour of all gases, calculate the density of equilibrium mixture at 400K and 1.0 atm (relative atomic mass of P is 31.0 and of Cl is 35.5). calculate the density of equilibrium mixture at 400K and 1.0 [...]

When 3.06 g of NH4​HS(s) is introduced into a two litre evacuated flask at 27oC, 30% of the solid decomposes into gaseous ammonia and hydrogen sulphide. 30% of the solid decomposes into gaseous ammonia and hydrogen sulphide. When 3.06 g of NH4​HS(s) is introduced into a two litre evacuated flask at 27oC June 2, 2021 [...]

For the gas phase reaction, C2H4+H2 gives C2H6;[ΔH=−32.7Kcal] Carried out in a vessel, the equilibrium concentration of C2H4 can be increased by C2H4+H2 gives C2H6;[ΔH=−32.7Kcal] Carried out in a vessel For the gas phase reaction the equilibrium concentration of C2H4 can be increased by June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , [...]

When NaNO3 is heated in a closed vessel, oxygen is liberated and NaNO3 is left behind. At equilibrium, oxygen is liberated and NaNO3 is left behind. At equilibrium When NaNO3 is heated in a closed vessel June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved [...]

The equilibrium SO2Cl2(g)⇔SO2(g)+Cl2(g) is attained at 25∘C in a closed container and an inert gas, helium is introduced. Which of the following statement is/are correct? helium is introduced. Which of the following statement is/are correct? The equilibrium SO2Cl2(g)⇔SO2(g)+Cl2(g) is attained at 25∘C in a closed container and an inert gas June 2, 2021 Category: Chapter [...]

For the reaction : PCl5 (g)→ PCl3 (g) + Cl2 (g) The forward reaction at constant temperature is favoured by. For the reaction : PCl5 (g)→ PCl3 (g) + Cl2 (g) The forward reaction at constant temperature is favoured by. June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains [...]

The equilibrium 2Cu^1 ⇌ Cu^0 + CU^11 in aqueous medium at 25∘ C shifts towards the left in the presence of The equilibrium 2Cu^1 ⇌ Cu^0 + CU^11 in aqueous medium at 25∘ C shifts towards the left in the presence of June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv [...]

The initial rate of hydrolysis of methyl acetate (1M) by a weak acid (HA,1M) is 1/100th of that of a strong acid (HX,1M), at 25∘C. The Ka (HA) is 1)m. 1M) is 1/100th of that of a strong acid (HX at 25∘C. The Ka (HA) is The initial rate of hydrolysis of methyl acetate (1M) [...]

The % yield of ammonia as a function of time in the reaction, N2(g)+3H2(g)⇔2NH3(g)’ΔHT1 the % yield by of ammonia as a function of time is represented by N2(g)+3H2(g)⇔2NH3(g)'ΔHT1 the % yield by of ammonia as a function of time is represented by The % yield of ammonia as a function of time in the [...]

For a reaction, A ⇋ P, the plots of [A] and [P] with time at temperatures T1 and T2 are given below. (Assume ΔHθ and ΔSθ are independent of temperature and ratio of ln K at T1 to ln K at T2 is greater than T2/T1 . Here H, S, G and K are enthalpy, [...]