Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions for Chemistry

Aldehydes react with Grignard reagent to produce ____________.

Ketones react with Grignard reagent to produce ____________.

Primary alcohols are prepared by the reduction of carboxylic acids. Though lithium aluminium hydride is a strong reducing agent, it is not used in the reaction. This is so because:

Aldehydes are reduced to the corresponding alcohols by the addition of hydrogen in the presence of catalysts to form ____________.

Monochlorination of toluene in sunlight followed by hydrolysis by aq. \[\ce{NaOH}\] yields.

Benzaldehyde differs from acetaldehyde in that:

Nitro compounds are reduced by iron scrap and hydrochloric acid to yield one of the following compounds:

For producing amines, the reaction of nitro compounds with iron scrap is preferred because:

Quaternary ammonium salt is formed:

The following compound can be called as:

The spatial arrangement of the given molecule is denoted by:

Choose the appropriate answer(s) for the below representation from the options given

The number of asymmetric carbon atom(s) below the figure is/are

What is the most abundant organic compound on earth?

Oxime is formed by treating glucose with ____________.

Acetylation of glucose yields ____________.

Glucose does not give Schiff’s test because of the formation of cyclic ____________.

The space lattice of graphite is ____________.

Coordination numbers of Zn²⁺ and S^2– in the crystal structure of wurtzite are ____________.

In face-centered cubic lattice, a unit cell is shared equally by how many unit cells?