CUET (UG) entrance exam Question Bank Solutions

A functional isomer of 1-butyne is

Which of the statements about Grignard reagent is false?

Pb and Sn are extracted from their chief are by:-

CN^– solution is used in the extraction of which metal?

Colemanite is:-

Sulphide ore of the metal are usually concentrated by froth floatation process. Which of the following sulphide ore offers an exception and is concentrated by chemical leaching?

Heating byrites to remove sulphtir is called

The diamagnetic species is:-

\[\ce{R - CH2 - CCl2 - R ->[Peagent] R - C ≅ C - R}\]. The reagent is:-

 A product (1) of above reaction is:-

Grignard reagent shows addition on

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

Assertion (A): A solution of table salt in a glass of water is homogeneous.

Reason (R): A solution having same composition throughout is heterogeneous.

In the light of the above statements, choose the most appropriate answer from the options given below:

An element has a cubic structure with a cell edge of 288 pm. The density of the element is 7.2 g cm^–3. 208 g of the element has 24.16 × 10²³ numbers of atoms. The unit cell of this cubic structure is

What hybridization scheme would be appropriate for the C atom in [CO₃]^2–?

Reaction of aqueous sodium hydroxide on chlorobenzene gives which of the following products?

The pH of blood does not appreciably change by a small addition of acid or base because

Which one of the following gives only one monochloro derivative?

Which one of the following monomers gives the polymer neoprene on polymerization?

A compound formed by element "A" and "B" crystallises in a cubic structure in which A atoms are at the centre of the cube and B atoms are at the face centres. The formula of the compound is:-

Lithium metal crystallises in a body centred cubic crystal. If the length of the side of the unit cell of the crystal is 351 pm, the atomic radius of lithium will be: