MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions

Which among the following statements is not correct about S_N2 reaction mechanism?

Identify the X in the reaction.

\[\ce{R - NH2 + HNO2 ->[NaNO2 + HCl][273 - 278 K] X ->[H2O] R - OH + N2\uparrow + HCl}\]

Lactic acid and glycollic acid are the monomers used for the preparation of the polymer.

With which halogen the reactions, of alkanes are explosive?

Slope of the straight line obtained by plotting log₁₀k against represents what term?

The compound that reacts the fastest with sodium methoxide is ______.

The vapour pressure of 100 g of water reduces from 17.53 mm to 17.22 mm when 17.10 g, of substance X is dissolved in it. Substance X can be ______.

The 3d-block elements that exhibits maximum number of oxidation states is ______.

Which of the following is a thermosetting polymer?

Which among the following is branched polymer?

A synthetic polymer which is an ester is ______.

Which type of colloid is formed on the dissolution of soap in water?

In the following reaction:

\[\ce{Ether ->[Hot HI] A + B + H2O}\],

If A and B are identical, the ether is ____________.

Which of the following is an example of substitutional impurity defect?

In which of the following nanomaterial, all three dimensions are less than 100 nm?

Which of the following reaction of diazonium salt involves retention of diazonium group?

Froth and whipped cream are examples of ____________.

When a quaternary ammonium hydroxide is strongly heated, an alkene and a tertiary amine are formed as the products. This reaction is known as ____________.

Which of the following compounds does not contain \[\begin{array}{cc}\backslash\phantom{......}\\\ce{C = O}\\
/\phantom{......}\\\end{array}\] group?

Which one of the following methods is used to make platinum sol?