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

The compounds [PtCl₂(NH₃)₄]Br₂ and [PtBr₂(NH₃)₄]Cl₂ constitutes a pair of ______.

What is the pH of a 2.6 × 10^-8 MH⁺ ion solution? (log 2.6 = 0.4150)

Which element from the following has the highest negative standard reduction potential?

Which of following properties is not exhibited by benzene?

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

Identify the X in the reaction.

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

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 ______.

A sample of air turns lime water milky and also turns acidified potassium dichromate green in aqueous solution has low pH. This is due to the presence of pollutants.

A buffer solution is prepared in which the concentration of NH₃ is 0.30 M and the concentration of \[\ce{NH^+_4}\] is 0.20 M. If the equilibrium constant, K_b tor NH₃ equals 1.8 × 10^-5, what is the pH of the solution?

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?

NH₄CN is a salt of ____________.

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 ____________.