{"id":398860,"date":"2023-01-11T07:44:53","date_gmt":"2023-01-11T02:14:53","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/question\/the-rate-constant-of-a-first-order-reaction-is-4-10-3s-1-at-a-reactant-concentration-of-0-02-m-the-rate-of-reaction-would-be\/"},"modified":"2025-06-19T20:02:03","modified_gmt":"2025-06-19T14:32:03","slug":"the-rate-constant-of-a-first-order-reaction-is-4-10-3s-1-at-a-reactant-concentration-of-0-02-m-the-rate-of-reaction-would-be","status":"publish","type":"questions","link":"https:\/\/infinitylearn.com\/surge\/question\/chemistry\/the-rate-constant-of-a-first-order-reaction-is-410-3s-1\/","title":{"rendered":"The rate constant of a first order reaction is &#8220;4&#8221;\u00a010-3S-1,\u00a0At a reactant concentration of 0.02 M, the rate of reaction would be"},"content":{"rendered":"","protected":false},"author":1,"template":"","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"The rate constant of a first order reaction is \"4\"\u00a010-3S-1,\u00a0At a reactant concentration of 0.02 M, the rate of reaction would be","custom_permalink":"question\/chemistry\/the-rate-constant-of-a-first-order-reaction-is-410-3s-1\/"},"categories":[],"acf":{"question":"<p>The rate constant of a first order reaction is \"4\"&nbsp;<math class=\"wrs_chemistry\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><msup><mn>10<\/mn><mrow><mo>-<\/mo><mn>3<\/mn><\/mrow><\/msup><msup><mi mathvariant=\"normal\">S<\/mi><mrow><mo>-<\/mo><mn>1<\/mn><\/mrow><\/msup><mo>,<\/mo><\/math>&nbsp;At a reactant concentration of 0.02 M, the rate of reaction would be<\/p>","options":[{"option":"<p><math class=\"wrs_chemistry\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mo>'<\/mo><mn>8<\/mn><mo>'<\/mo><mo>&nbsp;<\/mo><msup><mn>10<\/mn><mrow><mo>-<\/mo><mn>5<\/mn><\/mrow><\/msup><mo>&nbsp;<\/mo><msup><mi>Ms<\/mi><mrow><mo>-<\/mo><mn>1<\/mn><\/mrow><\/msup><\/math><\/p>","correct":true},{"option":"<p><math class=\"wrs_chemistry\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mn>4<\/mn><mo>'<\/mo><mo>&nbsp;<\/mo><msup><mn>10<\/mn><mrow><mo>-<\/mo><mn>3<\/mn><\/mrow><\/msup><msup><mi>Ms<\/mi><mrow><mo>-<\/mo><mn>1<\/mn><\/mrow><\/msup><\/math><\/p>","correct":false},{"option":"<p><math class=\"wrs_chemistry\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><msup><mn>2<\/mn><mo>'<\/mo><\/msup><msup><mn>10<\/mn><mrow><mo>-<\/mo><mn>1<\/mn><\/mrow><\/msup><msup><mi>Ms<\/mi><mrow><mo>-<\/mo><mn>1<\/mn><\/mrow><\/msup><\/math><\/p>","correct":false},{"option":"<p><math class=\"wrs_chemistry\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mn>4<\/mn><mo>'<\/mo><mo>&nbsp;<\/mo><msup><mn>10<\/mn><mrow><mo>-<\/mo><mn>1<\/mn><\/mrow><\/msup><msup><mi>Ms<\/mi><mrow><mo>-<\/mo><mn>1<\/mn><\/mrow><\/msup><\/math><\/p>","correct":false}],"solution":"<p>According to chemical kinetics, the rate law is Rate, r k[conc. of reactant] = And then, rate of reaction is<\/p><p><math class=\"wrs_chemistry\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi mathvariant=\"normal\">r<\/mi><mo>=<\/mo><mn>4<\/mn><mo>\u00d7<\/mo><msup><mn>10<\/mn><mrow><mo>-<\/mo><mn>3<\/mn><\/mrow><\/msup><msup><mi mathvariant=\"normal\">S<\/mi><mrow><mo>-<\/mo><mn>1<\/mn><\/mrow><\/msup><mo>\u00d7<\/mo><mn>0<\/mn><mo>.<\/mo><mn>02<\/mn><mi mathvariant=\"normal\">M<\/mi><\/math><\/p><p><math class=\"wrs_chemistry\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mo>\u2234<\/mo><mi>Rate<\/mi><mo>,<\/mo><mi mathvariant=\"normal\">r<\/mi><mo>=<\/mo><mn>8<\/mn><mo>\u00d7<\/mo><msup><mn>10<\/mn><mrow><mo>-<\/mo><mn>5<\/mn><\/mrow><\/msup><msup><mi>ms<\/mi><mrow><mo>-<\/mo><mn>1<\/mn><\/mrow><\/msup><\/math><\/p>","subject":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - 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