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

Energy required to dissociate 6 g of gaseous hydrogen into free gaseous atoms is 208 kcal at 25°C. Bond energy of H-H bond will be ____________.

The CORRECT order of C-X bond polarity is ____________.

In gas phase H-O-O-H bond angle in H₂O₂ is ______.

What is the value of C-O-H bond angle in CH₃^_OH?

Which among the following is a biodegradable polymer?

Which of following bonds has maximum bond length?

What is the H-S-H bond angle in H₂S?

A mixture of ____________ is filled in electric bulb to increase life of filament.

The hybridization and bond angle in BeCl₂ molecule are ____________ respectively.

Purine derivative among the following bases is ____________.

Consider the reactions.

\[\ce{C_{(s)} + 2H2_{(g)} -> CH4_{(g)}}\], ΔH = −x kcal

\[\ce{C_{(g)} + 4H_{(g)} -> CH4_{(g)}}\], ΔH = −x₁ kcal

\[\ce{CH4_{(g)} -> CH3_{(g)} + H_{(g)}}\], ΔH = +y kcal

The average C-H bond enthalpy is:

Which mixture is used for respiration by deep sea divers?

Which of the following pairs have identical bond order?

Which of the following noble gas is used for magnetic resonance imaging?

The bond angle is minimum in ____________.

Which among the following polymer does not show cross-linking in it?

Which of the following is not present in DNA?

Nucleotides are linked together through ____________.

Identify the CORRECT option.

Which of the following noble gas is used supersonic wind tunnels?