NEET
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- NEET
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- Chemistry
- Chapter
- Some Basic Concepts of Chemistry
NEET · Chemistry · Some Basic Concepts of Chemistry
Given below are two statements: Statement-I : In the reaction ( CH...
Given below are two statements:
Statement-I : In the reaction
(\mathrm{CH}}_{4}( \mathrm{~g})+2 \mathrm{O}}_{2}(\mathrm{~g}) \rightarrow \mathrm{CO}}_{2}( \mathrm{~g})+2 \mathrm{H}}_{2} )
One mole of (\mathrm{CH}}_{4}( \mathrm{~g})) reacts with two moles of (\mathrm{O}}_{2}() to give one mole of (\mathrm{CO}}_{2}( \mathrm{~g})) and two moles of (\mathrm{H}}_{2} ).
Statement-II (: 1 ) of (\mathrm{CH}}_{4}( \mathrm{~g})) reacts with 2 g of (\mathrm{O}}_{2}() to give 1 g of (\mathrm{CO}}_{2}( \mathrm{~g})) and 2 g of (\mathrm{H}}_{2} ).
In the light of the above statements, choose the most appropriate answer from the options given below:
Options
- AStatement-I and II both are correct.
- BStatement-I is correct while II is incorrect.
- CBoth Statement-I and II are incorrect.
- DStatement-I is incorrect and II is correct.
Correct answer
B. Statement-I is correct while II is incorrect.
Step-by-step solution
Statement-I:
This describes the balanced chemical equatign: (2 \mathrm{O}}_{2}(g) \rightarrow \mathrm{CO}}_{2}(g)+2 \mathrm{H}}_{2} \mathrm{O}()
- One mole of (\mathrm{CH}}_{4}) reacts with two moles of (\mathrm{O}}_{2}) to produce one mole of (\mathrm{CO}}_{2}) and two moles of (\mathrm{H}}_{2} \mathrm{O}).
- Statement-I is correct.
Statement-II:
This involves incorrect stoichiometry. The masses given do not match the molar masses:
- 1 mole of (\mathrm{CH}}_{4}(16 \mathrm{ g}),2) moles of (\mathrm{O}}_{2} (64 \mathrm{ g}),1 \mathrm{ mole}) of (\mathrm{CO}}_{2}(44 \mathrm{ g})), and 2 moles of (\mathrm{H}}_{2} ).
- Statement-II is incorrect.
Conclusion:
Statement-I is correct while Statement-II is incorrect.