MHT CET 2024 15th May Morning Shift | Some Basic Concepts of Chemistry Question 26 | Chemistry

What is value of percent atom economy when reactants having sum of formula weight 78 u results in the formation of a product with formula weight 65 u ?

$70 \%$

$83 \%$

$78 \%$

$65 \%$

MHT CET 2024 11th May Evening Shift

MCQ (Single Correct Answer)

-0

How many molecules of carbon dioxide are formed when 0.6 g carbon is burnt in air?

$3.01 \times 10^{22}$

$2.01 \times 10^{23}$

$6.02 \times 10^{22}$

$5.02 \times 10^{23}$

MHT CET 2024 11th May Morning Shift

MCQ (Single Correct Answer)

-0

Which of the following pair of compounds cannot demonstrate law of multiple proportion?

$\mathrm{NO}, \mathrm{NO}_2$

$\mathrm{CO}, \mathrm{CO}_2$

$\mathrm{H}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{O}_2$

$\mathrm{Na}_2 \mathrm{S}, \mathrm{NaF}$

MHT CET 2024 11th May Morning Shift

MCQ (Single Correct Answer)

-0

What is the percentage atom economy when formula weight of product obtained is 70 u and the sum of formula weight of reactant is 140 u ?

$30 \%$

$35 \%$

$50 \%$

$75 \%$

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Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

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