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

Ethyl bromide undergoes the following reaction:

\[\ce{\underset{Ethyl bromide}{C2H5Br} + \underset{(aq.)}{KOH} ->[\Delta] \underset{Ethyl alcohol}{C2H5OH} + KBr}\]

Which of the following is a WRONG statement?

Which of the following is least reactive towards nucleophilic addition?

A compound of X and Y crystallizes in ccp structure in which the X atoms occupy the lattice points at the corners of cube and Y atoms occupy the centres of each of the cube faces. The formula of this compound is ____________.

The compound(s) that exhibit(s) geometrical isomerism is (are):

(I) [Pt(en)Cl₂]

(II) [Pt(en)₂]Cl₂

(III) [Pt(en)₂Cl₂]

(IV) [Pt(NH₃)₂Cl₂]

Which of the following statement is INCORRECT?

Select the CORRECT statement.

The vapour pressure of pure solvent and solution are 120 mm Hg and 108 mm Hg respectively. The mole fraction of the solvent in the solution is ____________.

Dehydrohalogenation of an alkyl halide is ____________.

Nitroalkanes are obtained in laboratory from primary or secondary alkyl halides by the action of ______.

Alkene \[\ce{R - CH = CH2}\] reacts with B₂H₆ in the presence of dilute H₂O₂, to give:

Which among the following is not a semi-synthetic polymer?

Which of the following is NOT a pair of structural isomers?

Relative lowering of vapour pressure of a solution of non-volatile solute depend only on ____________.

The transition metal(s) present in limonite is(are) ____________.

The following mechanism has been proposed for the reaction of NO₂ with F₂ to form NO₂F:

\[\ce{NO2_{(g)} + F2_{(g)} -> NO2F_{(g)} + F_{(g)} (slow)}\]

\[\ce{F_{(g)} + NO2_{(g)} -> NO2F_{(g)} (fast)}\]

The order of the reaction with respect to NO_2(g)

Standard reduction electrode potentials of three metals A, B and C are +0.5 V, −3.0 V and −1.2 V respectively. The reducing power of these metals is ______.

Identify the CORRECT statement about the following complex of platinum.

[PtCl₂(en)₂]²⁺

Identify the CORRECT statement about the following compound.

(C₂H₅)₂NH

The total volume occupied by particles m simple cubic unit cell is ____________.

Which of the following is a mineral of copper?