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

A mixture of ____________ is used in voltage stabilizers and current rectifiers.

Which of the following polymers contain ester linkage?

Which among the following is biodegradable polymer?

Which among the following is a linear polymer?

Which of the following has highest value of ionization enthalpy?

Which of the following is INCORRECTLY matched?

Which of the following is CORRECT regarding nylon 2-nylon 6 and PHBV?

(I) Both are condensation polymers.

(II) Both are copolymers.

(III) Both are aliphatic polyesters.

(IV) Both are non-biodegradable.

\[\ce{Monomer 'X' + Hexamethylenediamine -> Nylon 6, 6}\]

Monomer 'X' is ____________.

The mixture used for artificial breathing by asthma patients:

\[\ce{A ->[HCN] B ->[Dil.HCl/\Delta] 2-Hydroxy-3, 3-dimethylbutanoic acid}\]

Reactant 'A' is ____________.

Identify the inert gas used for filling balloons?

Identify the monomers used in preparation of PHBV polymer.

Which among the following polymers is obtained first by formation of salt by neutralization and then by step growth polymerization?

Which among the following formula represents the ε-amino caproic acid?

What is the number of \[\begin{array}{cc}\\\backslash\phantom{.......}\\\phantom{}\ce{C = O}\\/\phantom{........}\end{array}\] groups present in nitrogen bases of nucleic acids, thymine and uracil respectively?

What is the bond order of B₂ molecule?

Why is bond order of Be₂ molecule zero?

(N_b = bonding electrons, N_a = antibonding electrons)

What is the bond order of Be₂ molecule?

Consider the ions/molecule:

\[\ce{O^+_2, O_2, O^-_2, O^{2-}_2}\]

For increasing bond order the correct option is:

What type of sugar molecule is present is DNA?