NEET (UG) entrance exam Question Bank Solutions for Chemistry

An alkyl halide by formation of its Grignard reagent and heating with water gives propane. What is the original alkyl halide?

Which of the following shows maximum number of isomers?

Decreasing order of reactivity of hydrogen halide acid in the conversion of ROH → RX is ______.

The reagent in friedel - craft reaction is:

Identify the incorrect IUPAC name.

The pK_b of dimethylamine and pK_a of acetic acid are 3.27 and 4.77 respectively at T(K). The correct option for the pH of dimethylammonium acetate solution is ______.

Which of the following reactions is the metal displacement reaction? Choose the right option.

Given below are two statements:

Statement I: Aspirin and Paracetamol belong to the class of narcotic analgesics.

Statement II: Morphine and Heroin are non-narcotic analgesics. In light of the above statements, choose the correct answer from the options below.

\[\ce{CH3CH2COO- Na+ ->[NaOH, + ?][Heat] CH3CH3 + Na2CO3}\]

Consider the above reaction and identify the missing reagent/chemical.

The intermediate compound ‘X’ in the following chemical reaction is:

Given below are two statements :

Statement I :

Aspirin and Paracetamol belong to the class of narcotic analgesics.

Statement II :

Morphine and Heroin are non-narcotic analgesics.

In the light of the above statements, choose the correct answer from the options given below.

Dipole-dipole forces act between the molecules possessing permanent dipole. Ends of dipoles possess ‘partial charges’. The partial charge is ______.

Haloalkanes in the presence of alcoholic KOH undergoes ______ reaction.

Alkaline hydrolysis of an alkyl halide can be preferably carried out using ______.

Which of the following compounds when treated with dibenzylcadmium yields benzyl methyl ketone?

Which of the following CANNOT be prepared by ammonolysis of alkyl halide?

Calculate the formal charge on N-atom in the following:

\[\ce{\overset{\bullet\bullet}{\underset{\bullet\bullet}{O}} = N - \overset{\bullet\bullet}{\underset{\bullet\bullet}{O}}:^-}\]

In acidic medium, reaction, \[\ce{MNO^-_4 → Mn^2+}\] an example of ____________.   

Which one of the following salts likely to give apple green colour flame when observed by naked eye?

The \[\ce{H - O - H}\] bond angle in a water molecule is about ______.