The chemical symbol for nitrogen gas is. With Avogadro's number you can always find the number of molecules. (a) 4 g of O 2 (b) 4 g of NH 3 (c) 4 g of CO 2 (d) 4 g of SO 2 Your IP: 83.137.144.115 2151 × 10 23 molecules As can be seen from the above calculates, that 1 g of H 2 contains the maximum number of molecules. Which has maximum number of molecules . All of the other answers have the same. A gold sample contains 90% of gold and the rest copper. The correct answer is the fourth option. 48 molecules of methane. Which of the following contains maximum number of molecules ? Which of the following contains maximum number of molecules. The mass is same for all the four gases. c) NH 3 and PH 3 have sp 3 geometry. (ii) 20 moles of … (a) 18g of H 2 O (b) 18g of O 2 (c) 18g of CO 2 (d) 18 g of CH 4 Solution: (d) Number of atoms = Question 7. 22400 cc at STP has 6.022 x 10 23 molecules of any gas. 15.0 g CO2. 2.5k SHARES. Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12g. Solution : option c) the correct answer, i.e, 1 g of contains maximum number of molecules. MCQ Questions for Class 9 Science Chapter 3 Atoms and Molecules with Answers MCQs from Class 9 Science Chapter 3 – Atoms and Molecules are provided here to help students prepare for their upcoming Science exam. Which of the following contains maximum number of molecules? Another way to prevent getting this page in the future is to use Privacy Pass.
a) Number of molecules in 44g (molar mass of )
Number of molecules in 1g (a) 1g CO 2 (b) 1g N 2 (c) 1g H 2 (d) 1g CH 4 16-04-2018. asked Feb 5, 2018 in Class IX Science by saurav24 Expert ( 1.4k points) atoms and molecules You may need to download version 2.0 now from the Chrome Web Store. Which of the following contains maximum number of molecules? NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. Which of the following contains maximum number of molecules a) 1g of CO2 b) 1g of N2 c) 1g of H2 d) 1g CH4 - Science - Atoms and Molecules (c) 1 g H 2. 4.) Which of the following contains the largest. Nov 28,2020 - Which of the following contains the maximum number of molecules?a)1 g H2b)1 g N2c)19 CO2d)1 g CH4Correct answer is option 'A'. Text Solution. Number of atoms in 1 molecule of ammonia ( ) = 4. (d) 1 g CH 4. atoms and molecules. 7. 15.0 g O2. Which of the following contains maximum number of molecules? 023 × 10 23 28 = 0. The gas having lowest molar mass will have maximum number of moles and maximum number of molecules. Ask for details ; Follow Report by 7077 05.02.2020 Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Chemistry. 15.0 g N2. c)2 g of hydrogen contains 6.02 x 10²³ molecules of hydrogen 0.5 g of Hydrogen contains = (0.5/2 ) x 6.02 x 10²³ molecules c)32 g of oxygen contains 6.02 x 10²³ molecules of hydrogen 10 g of Hydrogen contains = (10/32 ) x 6.02 x 10²³ molecules Thus (a) will have ma. (i) 2 moles of water. Soln: Which of the following contains maximum number of molecules? Which of the following has maximum number of atoms? 8. Which of the following contains maximum number of molecules. PCl 4 + : Both are isostructural because their central atom is sp 3 hybridised and both have a tetrahedral arrangement. asked Feb 5, 2018 in Class IX Science by aman28 (-872 points) atoms and molecules. The following contains maximum number of molecules. 1. Which of the following contains maximum number of molecules? Note: NA = 6.023×10 23. Physics. 1. (a) 1g CO2 (b) 1g N2 (c) 1g H2 (d) 1g CH4. Which of the following contains maximum number of molecules? If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. number of molecules? With the molar mass, this allows you to convert between mass, moles and molecules. Which of the following statements about Rutherford’s model of atom are correct . 5. 2-Which of the following contains maximum number of molecules *2 points19 gm CO21gm N21gm H21gm CH4 Get the answers you need, now! NCERT Solutions of Ch 3 Atoms and Molecules Class 9th Science. Which of the following contains maximum number of molecules ? Related Questions: In graphide electrons are 4. b) Diamond and silicon carbide (SiC): Both are isostructural because their central atom is sp 3 hybridised and both have a tetrahedral arrangement. Can you explain this answer? In photosynthesis, 6 molecules of carbon dioxide combine with an equal number of water molecules through a complex series of reactions to give a molecule of glucose having a molecular formula C6H1206. 3. 4 gm of hydrogen asked Feb 5, 2018 in Class IX Science by aman28 (-872 points) Which of the following contains maximum number of molecules? The number of oxygen atoms in the solution are. Thus, the molar mass of hydrogen is minimum. | EduRev Class 9 Question is disucussed on EduRev Study Group by 161 Class 9 Students. The concentration of the solution will be $$(Na = 23 ; Cl = 35.5)$$ MCQs from CBSE Class 9 Science Chapter 3: Atoms and Molecules 1. a) SiCl 4. $$200 \,ml$$ of a solution contains $$5.85 \,g$$ dissolved sodium chloride. Answer. will have maximum number of molecules. Number of atoms present in 1 molecule of methane ( ) = 5. (A) 100 cc of CO2 at STP (B) 150 cc of N2 at STP (C) 50 cc of SO2 at STP (D) 150 cc. Biology. number of molecules. 2.5k VIEWS. NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. substance × Number of atoms in the molecule/ Molar mass × NA (a) 18 g of water =18 x3/18 ×NA = 3 NA (b) 18 g of oxygen = 18 x2 /32 × NA = 1.12 NA (c) 18 g of CO2 = 18 x3/44 × NA = 1.23 NA (d) 18 g of CH4 =18 x5 /16 × NA = 5.63 NA Note: NA = 6.023×1023 7. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. Which of the following contains maximum number of molecules? (a) Ni (b) N2 (c)N(d) N. Answer: (b) Nitrogen molecule is … Which of the following contains maximum number of molecules? Which of the following has maximum number of atoms? Which of the following has maximum number of atoms ? A sample of vitamin C is known to contain 2.58 x 1024 oxygen atoms. Which of the following contains maximum number of molecules? (a) 1g CO 2 (b) 1g N 2 (c) 1g H 2 (d) 1g CH 4; Mass of one atom of oxygen is; 3.42 g of sucrose are dissolved in 18g of water in a beaker. (a) 1 g CO2                (b) 1 g N2                   (c) 1 g H2                   (d) 1 g CH4. Cloudflare Ray ID: 5ff19ca3fa921e69 (a) 18g of H 2 O (b) 18g of O 2 (c) 18g of CO 2 (d) 18g of CH 4; Which of the following contains maximum number of molecules? Books. Number of atoms present in 1 mole of a substance =. Which of the following correctly represents 360g of water? 20 EXEMPLAR PROBLEMS 8. • Physics. Which of the following contains maximum number of molecules . A sample of ethane (C2H6) gas has the same mass as 1.5 x 1020 molecules of methane (CH4). Correct Answer: 2 gm H₂. Mass of one atom of … (A) 100 cc of CO2 at STP (B) 150 cc of N2 at STP (C) 50 cc of SO2 at STP (D) 150 cc. Explanation: 1 g of H2 = ½ x NA = 0.5 NA = 0.5 × 6.022 × 1023 = 3.011 × 1023. (a) 1g CO2 (b) 1g N2 Options (a) 7 gm N₂ (b) 2 gm H₂ (c) 16 gm NO₂ (d) 16 gm O₂. 0 votes. Performance & security by Cloudflare, Please complete the security check to access. one mole of H₂ contains 6.02 x 10²³ molecules. So maximum no of molecules will be in the gas with maximum volume that is 200 cc of NH 3. Which of the following contains maximum number of molecules? (b) 1 g N 2. Soln: Answer is (c) 1g H2 . Avogadro's number (6.022 x 10^23) is a collective number which tells you how many molecules of a substance there are in 1 mole of that substance. 3.) 15.0 g H2O. Explanation: And a mole specifies 6.022×1023 individual molecules.......and is represented by the N A. a. contains 3 × N A atoms......... b. contains 1⋅ g 100.1⋅ g ⋅ mol−1 × 3 ×N A atoms......... c. contains 4 × N A atoms.........i.e. (a) 18g of H 2 O (b) 18g of O 2 (c) 18g of CO 2 (d) 18g of CH 4 7. of molecules in N 2 = 1 × 6. Which of the following contains maximum number of molecules? are 44 g/mol, 28 g/mol , 2 g/mol and 16 g/mol respectively. 2. Therefore , the answer is ( c ) Which of the following correctly represents 360g of […] (a) 1 g C0 2 (b) 1 g N 2 (c) 1 g H 2 (d) 1 g CH 4 Answer: Question 8: Answer: (a) Mass of 6.023 x 10 23 atoms of oxygen = gram atomic mass of oxygen Mass of 6.023 x 10 23 atoms of oxygen = 16g 3.42 g of sucrose are dissolved in 18g of water in a beaker. Which of the following contains maximum number of molecules . A. Books. Which of the following has maximum number of atoms? Others have less than one mole, so have less number of molecules. Solution : Equal volume of all gases, under similar conditions of temperature and pressure contains equal number of molecules (Avogadro's Law)
200 cc of at S.T.P. (a) 1g Li (b) 1g Au (c) 1g Cu (d) 1g He. From the above calculations, it is visible that 48 grams of Helium … Explanation: 2 gm of H₂ means one mole of H₂. Mass of one atom of oxygen is (a) 23 16 g 6.023 10 × (b) 23 32 g 6.023 10 × (c) 23 1 g 6.023 10 × (d) 8u. 3 mole of oxygen. Which of the following contains maximum number of molecules? If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. • (a) 1 g CO 2. contains maximum number of molecules Which of the following contains maximum number of molecules 6.5k LIKES. Compute the number of ions present in 5.85 g of sodium chloride. : which of the following has maximum number of molecules has 6.022 x 23... Model of atom which of the following contains maximum number of molecules correct the largest have less than one mole, so have less than one mole a... 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