CUET (UG) entrance exam Question Bank Solutions for Chemistry

In which of the following compounds, metal is in lowest oxidation state?

Identify a mineral for the major source of boron from the following list?

Which of the following compounds gives a secondary alcohol upon reaction with methylmagnesium bromide?

The enthalpy change of a reaction does not depends upon?

What is the oxidation state of nitrogen atom in hydrazine, N₂H₄?

In which of the following compounds the metal is in lowest oxidation state?

The electronic configuration of Cu (atomic number 29) is

When a strip of metallic zinc is placed in an aqueous solution of copper nitrate the blue colour of the solution disappear due to formation of

Hess's law is used to calculate:

The elements with atomic numbers 9, 17, 35, 53 and 85 belong to

Which of the following pairs will have same chemical properties?

Element having atomic no. of 56 belongs to which of the following block of periodic table?

Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R):

Assertion: Smaller the size of an atom greater is the electronegativity.

Reason: Electronegativity refers to the tendency of atom to share electrons with other atom.

Among the following, identify the species with an atom in +6 oxidation state.

Which of the following period contains most of the manmade radioactive elements?

An electron can enter into the orbital when

The elements which are characterized by the outer electronic configuration ns¹ to ns² np⁶ are collectively called

The elements with zero electron affinity are

Which of the following is hypnotic?

\[\ce{n-Butane ->[AlCl3][HCl] [X] ->[KMnO4] [Y], [Y]}\] is