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

The standard electrode potential (E⁰) values of Al³⁺/Al, Au³⁺/Au and Pb²⁺/Pb are −1.66 V, 1.50 V and −0.126 V, respectively. The CORRECT increasing order of reducing power of the metal is:

Identify 'A' and 'B' in the following series of reactions.

A system absorbs 900 J of heat and does work. The change in internal energy (∆U) for the process is +460 J. The work done by the system is ____________.

\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]

Identify A.

The product 'C' in the following reaction is:

\[\ce{CH3CH2Br ->[alc. KCN] {'A'} ->[H3O^+][\Delta] {'B'} ->[i. LiAlH4][ii. H3O^+] {'C'}}\]

\[\ce{CH3-CN ->[Na/C2H5OH]}\]

The product formed is ____________.

Which of the following is INCORRECT?

The following reaction is known as:

\[\ce{R - Cl + NaI ->[acetone] R - I + NaCl ↓}\]

If a metal crystallises in bcc structure with edge length of unit cell 4.29 × 10^-8 cm the radius of metal atom is ______.

Carbolic acid is oxidised by acidified sodium dichromate to give ______.

For the elementary reaction, \[\ce{3H2_{(g)} + N2_{(g)} -> 2NH3_{(g)}}\] identify the correct relation among the following relations.

If the heat of formation of HCl is 92.5 kcal, what is the heat of formation of 73 g HCl?

Which nitrogen containing compound amongst the following would undergo Mendius reduction to furnish primary amine \[\ce{(R - NH2)}\]?

In Dow process, chlorobenzene is converted into phenol by ____________.

+I effect of alkyl groups in alcohols increases the stability of ____________.

If the standard electrode potential of Cu²⁺/Cu electrode is 0.34 V, what is the electrode potential if concentration of Cu²⁺ ions is 0.01 M (T = 298 K)?

Adsorption of a gas follows Freundlich adsorption isotherm. x is the mass of the gas adsorbed on mass m of the adsorbent. The plot of log `"x"/"m"`· versus log P is shown in the given m graph. `"x"/"m"` is proportional to

The CORRECT relationship between heat of fusion (∆_fusH), heat of vapourization (∆_vapH) and heat of sublimation (∆_subH) is ____________.

____________ will NOT undergo acetylation.

Which of the following reactions is appropriate for converting benzamide to aniline?