CUET (UG) entrance exam Question Bank Solutions for Chemistry

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

The element with electronic configuration [xe]⁵⁴4f¹⁴5d¹6S² belongs to

Which of the following is an ionic ligand?

The oxidation state of Fe in the brown ring complex [F₃(H₂O)₅NO]SO₄ is

Which one of the following ligands forms a chelate?

The co-ordinate number and the oxidation state of the element E in the complex [E(en)₂(C₂O₄)]NO₂ are respectively?

The oxidation number d-arbitral occupation and co-ordination number of Cr in the complex cis [Cr(en)₂Cl₂]Cl are respectively.

The complex which has no d electrons in the central atom is:-

The most stable ion is ______.