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Which has maximum number of molecules
Options
(a) 7 gm N₂
(b) 2 gm H₂
(c) 16 gm NO₂
(d) 16 gm O₂
Correct Answer:
2 gm H₂
Explanation:
2 gm of H₂ means one mole of H₂.
one mole of H₂ contains 6.02 x 10²³ molecules.
Others have less than one mole, so have less number of molecules
Related Questions: - Of the following compounds the most acidic is
- 0.45 g acid of molecular weight 90 was neutralise by 20 mL of 0.5 N KOH
- If a compound, on analysis was found to contain C=18.5% ,H=1.55%, Cl=55.04%
- IF the bond energies of H – H , Br – Br and H – Br are 433 , 192 and 364 kJ mol⁻¹
- One gram sample NH₄NO₃ is decomposed in a bomb calorimeter.
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Basic Concepts of Chemistry
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Of the following compounds the most acidic is
- 0.45 g acid of molecular weight 90 was neutralise by 20 mL of 0.5 N KOH
- If a compound, on analysis was found to contain C=18.5% ,H=1.55%, Cl=55.04%
- IF the bond energies of H – H , Br – Br and H – Br are 433 , 192 and 364 kJ mol⁻¹
- One gram sample NH₄NO₃ is decomposed in a bomb calorimeter.
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Basic Concepts of Chemistry (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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