Test: Reaction Mechanism Level - 6 - Chemistry MCQ

 When 20 g of a compound (A) (M.F. = C₄H₁₀O₄) reacts with excess of CH₃MgBr, 14.6 L of CH₄ is obtained at STP. What is structural formula of (A)?
 

In the following reaction, the product(s) formed is (are)
 

 The major product(s) of the following reaction is (are):
 

Which of the following ethers can be synthesized directly by Williamson’s synthesis:
 

 Among P, Q, R and S the aromatic compound(s) is/are:

 The correct statement(s) about the following reaction sequence is/are:

 For the following compounds, the correct statement(s) with respect to nucleophile substitution reaction is(are):

 Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is C₈H₈O. Q undergoes Cannizzaro reaction but not Haloform reaction, whereas S undergoes Haloform reaction but no Cannizzaro reaction.

The option(s) with suitable combination of P and R, respectively, is(are)

 The reactivity of compound Z with different halogens under appropriate conditions is given below:

The observed pattern of electrophilic substitution can be explained by:
 

 In the reaction shown below, the major product(s) formed is/are:

Choose the correct one which will react faster in the SN2 nucleophilic substitution reaction?

Which of the following compound gives even number of Hoffmann’s exhaustive methylation and elimination?
 

Alcohol on refluxing with Cr2O7 gives ____________

 Which of the following compounds will react with R-SH in aqueous solutions between pH 6.5 and 8.5: [TIFR 2012]
 

 After completion of the reactions (I and II), the organic compound(s) in the reaction mixture is(are):

Positive Tollen’s test is observed for:
 

 Identify the binary mixture(s) that can be separated into individual compounds, by differential extraction, as shown in the given scheme.

With reference to the scheme given, which of the given statement(s) about T, U, V and W is (are) correct:

 Which of the following compounds will react with ethanolic KCN:

 A new C—C bond formation is possible in:

 In the reaction the intermediate(s) is/are: