Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main20248 Apr 2024Morning ShiftChemistrySome Basic Concepts of ChemistryActual

Combustion of glucose ( ( C ₆ H ₁₂ O ₆ ) ) produces ( CO ₂ ) and water. The amount of oxygen (in g) required for the complete combustion of (900 ~g ) of glucose is : [Molar mass of glucose in ( g mol ⁻¹=180 ) ]

Options

  1. A480
  2. B800
  3. C960
  4. D32

Correct answer

C. 960

Step-by-step solution

aligned & C ₆ H ₁₂ O _ 6( ~s ) +6 O _ 2( ~g ) 6 CO _ 2( ~g ) +6 H ₂ O _ ( ) & 900 180 & =5 ~mol 30 ~mol aligned Mass of O ₂ required =30 32=960 gm

Practice Some Basic Concepts of Chemistry on Quantrex Academy →

More from Some Basic Concepts of Chemistry

Match List-I with List-II. List-I Mass of substance List-II Number of atoms A. 1.8 mg water I. 2 10⁻⁴ N_A B. 9.8 mg sulphuric acid II. 1.5 10⁻⁴ N_A C. 1.8 mg carbon III. 3 10⁻⁴ N_A 2026Which of the following contain the same number of atoms ? (Given : Molar mass in g mol ⁻¹ of H, He, O and S are 1, 4, 16 and 32 respectively) A. 2 g of O₂ gas B. 4 g of SO₂ gas C. 2026An oxide of iron contains 69.9 % iron, its empirical formula, is: (Given: Molar mass of Fe and O are 56 and 16 g mol ⁻¹ respectively.) 2026What volume of hydrogen gas at STP would be liberated by action of 50 mL of H₂SO₄ of 50 % purity (density = 1.3 g mL ⁻¹ ) on 20 g of zinc ? Given : Molar mass of H, O, S, Zn are 1, 2026How many grams of residue is obtained by heating 2.76 g of silver carbonate? (Given: Molar mass of C, O and Ag are 12 , 16 and 108 g mol ⁻¹ respectively) 2026The correct order of total number of atoms present in (A) 2 moles of cyclohexane (B) 684 g of sucrose (C) 90.8 L of dihydrogen at STP is: 2026Number of moles and number of molecules in 1.4187 L of SO₂ at STP respectively are: 2026The ratio of mass percentage (w/w) of C : H in a hydrocarbon is 12 : 1 . It has two carbon atoms. The weight (in g) of CO₂(g) formed when 3.38 g of this hydrocarbon is completely b 2026 Full Some Basic Concepts of Chemistry list All JEE Main PYQs