Popular Questions
- One part of an element A combines with two parts of another B. Six parts of the element C combine with four parts of the element b..
- The prefix zepto stands for (in m)
- Which of the following halogen can be purified by sublimation
- One atmosphere is equal to
- A sample was weighted using two different balances. the results were (1) 3.926 g (2) 4.0 g. How would the weight of the sample be ..
- Which one of the following is not an element
- From the following masses, the one which is expressed nearest to the milligram is
- The reaction CaCO3 ~ CaO+CO2 (g) goes to completion in lime kiln because
- All reactions which have chemical distintegration
- Which of the following is reversible process
- In the given reaction N2 + O2 - 2NO, equilibrium means that
- Which of the following is irreversible reaction
- In the reaction 2A+B -- A2B, if the concentration of A is doubled and B is halved, then the rate of reaction will
- The bromination of acetone that occurs in acid solution is represented by this equation. CH3CHOCH3(aq) + Br2(aq)-- ch3coch2br(aq)+..
- For the reaction A+B - products,it is observed that : 1) On doubling the initial concentration of A only,the rate of reaction is ..
- In the reaction BrO-(aq) +5Br- (aq) + 6H+ -- 3Br2(l) +3H2O (l) The rate of appearance of bromine(Br2) is related to rate of disapp..
- For the reaction N2O5(g) -2NO2(g)+1/2O2(g) the value of rate of disappearance of N2O5 is given as 6.25*10 -3 mol L-1S-1 . The rate..
- The rate of reaction 2N2O5 - 4NO2+O2 can be written in three ways
- If doubling the concentration of a reactant A increases the rate 4 times and tripling the concentration of A increase the rate 9 t..
- The rate of which a substance reacts depends on its
- 1A gaseous hypothetical chemical equation 2A-- 4B+C is carried out in a closed vessel. The concentration of B is found to increase..
- The rate of a chemical reaction
- The rate of a reaction that not involve gases is not dependent on
- A catalyst increases the rate of a chemical reaction by
- The rate of a reaction is doubled for every 10° C rise in temperature. The increase in reaction rate as a result of temperature..
- The initial rates of reaction 3A+2B+C -- Products, at different initial concentrations are given below
- The rate of the reaction A -> products, at the initial concentration of 3.24*10-2M is nine times its rate at another initial conce..
- The initial rate, -d[A]/dt at t = 0 was found to be 2.6*10-2 mol L-1s-1 for the reaction A+2B --> Products,The inicial rate, -d[B]..
- The term (-dc/dt) in a rate equation refer to the
- Which of the following statement is false in relation to enzyme
- Velocity constant of a reaction at 290 K was found to be 3.2*10-3. At 310 K it will be about
- In the reaction CL2 + CH4 hv__> CH3CL + HCL, presence of a small amount of oxygen
- In the synthesis of ammonia by Haber process, if 60 moles of amonia is obtained in one hour, then the rate of disappearance of Nit..
- In a reaction, A+B -> C, the rate of expression is R = K[A][B]2. If the concentration of both the reactants is doubled at constant..
- The reaction, 2NO(g) + O2(g) -> 2NO2(g), is second order with respect to NO and first order with respect to O2, If the volume of r..
- For a reaction 1/2 A -> 2B, rate of disappearance of A is related to the rate of appearance of B by the expression
- For given a reaction 3A + B -> C + D the rate of reaction can be represented by
- If an isotope of hydrogen has two neutrons in its atom
- In the reaction 1H2 + 1H3 -> 2He4 + 0n1, if the
- Which of the following nuclear transformation is (n, p) type
