CUET (UG) entrance exam Question Bank Solutions for Chemistry

The correct order of the mobility of the alkali metal ions. In aqueous solultion is

If 0.5 amp current is passed through acidified silver nitrate then in 100 minutes the mass of silver, deposite on cathode is (eq. wt. of silver nitrate + 108).

The role of a catalyst is to change

In the presence of a catalyst, the heat evolved or absorbed during the reaction.

For a reaction A + B → products, the rate law is given by: r = `K[A]^(1/2)`. What is the order of reaction?

For a reaction R → p the concentration of reactant change from 0.03 m to 0.02 m in minute, calculate the average rate of the reaction using the unit of second.

For a reaction \[\ce{Cl2l(g) + 2No(g) -> 2NaCl(g)}\] the rate law is expressed as rate= K[Cl₂] [No]₂ what is the order of the reaction?

The rate constant for the reaction \[\ce{2H2O5 -> 4NO2 + O2}\] is 30 × 10^–5 sec^–1. if the rate is 204 × 10^–5 mol L^–1 S^–1, then the concentration of N₂O₅ (in mol^–1) is-

For a first order A → B, the reaction rate at reactant concentration of 0.01 m is found to be 2.0 × 10^–5. The half-life period of reaction.

The rate of a chemical reaction double for every 10° rise in temperature. If the temperature is raised. by 50°C, the rate of relation by about:-

If the 0.05 molar solution of m⁺ is replaced by a 0.0025 molar m⁺ solution, then the magnitude of the cell potential would be

For a reaction 1/2 A ⇒ 2B, rate of disappearance of A is related 't o the appearance of B by the expression:

For reaction 2A + B → BC + D which of the following does not Express the reaction rates

The half-life period of a. substance in a certain enzyme catalysed reaction is 138 s. The time required for the concentration of the substance to fall from 1.28 mol^–1 to 0.04 mg L^–1 is

At concentration of 0.1 and 0.2 mol L^–1 the rates of deem position of a compound were found to be 0.18 and 0.72 mol L^–1 m^–1. What is the order of the reaction?

A number of elements are available in earths crest but most abundant element are:-

The process used for the extraction of sodium is called.

The most abundant elements in the earth's crust (by weight) is:-

Which of the following compounds is expected to be colored?

Zn2⁺ ion is iso – electronic with