HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions

What is the action of following reagents on ethanoic acid?

sodalime/heat

What is the action of following reagents on ethanoic acid?

sodalime/heat

What is the action of following reagents on ethanoic acid?

P₂O₅/heat

What is the action of following reagents on ethanoic acid?

P₂O₅/heat

Write reactions for the following conversions.

Benzene to Benzaldehyde

Write reactions for the following conversions.

Benzene to Benzaldehyde

Time required for 100% completion of a zero order reaction is _______.

Rate constant of a reaction is 3.6 × 10^–3 s^–1. The order of reaction is ______.

For first order reaction, the rate constant for the decomposition of N₂O₅ is 6 × 10^–4 s ^–1. The half-life period for decomposition in seconds is ______.

The rate of catalysed reaction is large than the uncatalysed reaction as _______.

Draw structure of salicylaldehyde.

Draw structure of salicylaldehyde.

Give one example of a pseudo first-order reaction.

Write order of the following reaction:

\[\ce{2NH_{3(g)} -> N_{2(g)} + 3H_{2(g)}}\]

Write a mathematical expression for integrated rate law for zero-order reaction.

What is half life of first order reaction if time required to decrease concentration of reactants from 0.8 M to 0.2 M is 12 hours?

For the reaction 2NOBr → 2NO₂ + Br₂, the rate law is rate = k[NOBr]₂. If the rate of a reaction is 6.5 × 10^–6 mol L^–1 s^–1, when the concentration of NOBr is 2 × 10^–3 mol L^–1. What would be the rate constant of the reaction?

Explain pseudo first order reaction with a suitable example.

Explain with the help of a potential energy diagram that the catalyst increases the rate of the reaction.

Derive an integrated rate law expression for first order reaction: A → B + C