NEET Exam > NEET Questions > 0.9g of Al reacts with dil.HCl to give H2.The...
Start Learning for Free
0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L?
Most Upvoted Answer
0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved...
To determine the volume of hydrogen gas evolved when 0.9g of Al reacts with dilute hydrochloric acid (HCl) at 273 degrees Celsius and 1 atm pressure, we need to use the ideal gas law and stoichiometry.
1. Calculate the moles of Al:
The molar mass of Al is 26.98 g/mol.
moles of Al = mass of Al / molar mass of Al
moles of Al = 0.9g / 26.98 g/mol
moles of Al = 0.0334 mol
2. Write and balance the chemical equation for the reaction:
2Al + 6HCl → 2AlCl3 + 3H2
From the balanced equation, we can see that 2 moles of Al react to produce 3 moles of H2.
3. Calculate the moles of H2:
moles of H2 = (moles of Al) x (3 moles of H2 / 2 moles of Al)
moles of H2 = 0.0334 mol x (3/2)
moles of H2 = 0.0501 mol
4. Use the ideal gas law to calculate the volume of H2 gas at STP:
The ideal gas law equation is PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the ideal gas constant, and T is temperature in Kelvin.
Since the pressure is given as 1 atm and the temperature is given as 273 degrees Celsius, we need to convert the temperature to Kelvin:
T(K) = 273 + 273 = 546 K
Now we can rearrange the ideal gas law equation to solve for volume:
V = (nRT) / P
V = (0.0501 mol x 0.0821 L·atm/(mol·K) x 546 K) / 1 atm
V = 2.24 L
Therefore, the volume of H2 gas evolved at 273 degrees Celsius and 1 atm pressure is 2.24 L (Option 2).
1. Calculate the moles of Al:
The molar mass of Al is 26.98 g/mol.
moles of Al = mass of Al / molar mass of Al
moles of Al = 0.9g / 26.98 g/mol
moles of Al = 0.0334 mol
2. Write and balance the chemical equation for the reaction:
2Al + 6HCl → 2AlCl3 + 3H2
From the balanced equation, we can see that 2 moles of Al react to produce 3 moles of H2.
3. Calculate the moles of H2:
moles of H2 = (moles of Al) x (3 moles of H2 / 2 moles of Al)
moles of H2 = 0.0334 mol x (3/2)
moles of H2 = 0.0501 mol
4. Use the ideal gas law to calculate the volume of H2 gas at STP:
The ideal gas law equation is PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the ideal gas constant, and T is temperature in Kelvin.
Since the pressure is given as 1 atm and the temperature is given as 273 degrees Celsius, we need to convert the temperature to Kelvin:
T(K) = 273 + 273 = 546 K
Now we can rearrange the ideal gas law equation to solve for volume:
V = (nRT) / P
V = (0.0501 mol x 0.0821 L·atm/(mol·K) x 546 K) / 1 atm
V = 2.24 L
Therefore, the volume of H2 gas evolved at 273 degrees Celsius and 1 atm pressure is 2.24 L (Option 2).
Community Answer
0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved...
Attention NEET Students!
To make sure you are not studying endlessly, EduRev has designed NEET study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in NEET.
|
Explore Courses for NEET exam
|
|
Similar NEET Doubts
Top Courses for NEETView all
0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L?
Question Description
0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L?.
0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L?.
Solutions for 0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L? in English & in Hindi are available as part of our courses for NEET.
Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free.
Here you can find the meaning of 0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L? defined & explained in the simplest way possible. Besides giving the explanation of
0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L?, a detailed solution for 0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L? has been provided alongside types of 0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L? theory, EduRev gives you an
ample number of questions to practice 0.9g of Al reacts with dil.HCl to give H2.The volume of H2 gas evolved at 273 degree Celsius and 1 atm pressure will be 1)1.12 L 2)2.24 L 3)5.6 L 4)0.112 L? tests, examples and also practice NEET tests.
|
|
Explore Courses for NEET exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup