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Which of the following does not show electrical conduction
Options
(a) Diamond
(b) Graphite
(c) Potassium
(d) Sodium
Correct Answer:
Diamond
Explanation:
Potassium and sodium are metals so have mobile electrons. In graphite, each of the C-atom is covalently bonded to three other C-atoms so one valence electron is available for electrical and thermal conduction there is no mobile electron present in diamond as each C-atom is bonded to four other C-atoms by covalent bond.
Related Questions: - What is the weight of oxygen required for the complete combusion of 2.8 kg of ethylene?
- Urea is preferred to ammonium sulphate as a nitrogeneous fertilizer because
- The intermediate formed in aldol condensation is
- The main reason that SiCl₄ is easily hydrolysed as compared to CCl₄ is that
- One mole of magnesium nitride on reaction with excess of water gives
Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is the weight of oxygen required for the complete combusion of 2.8 kg of ethylene?
- Urea is preferred to ammonium sulphate as a nitrogeneous fertilizer because
- The intermediate formed in aldol condensation is
- The main reason that SiCl₄ is easily hydrolysed as compared to CCl₄ is that
- One mole of magnesium nitride on reaction with excess of water gives
Topics: States of Matter Gases and Liquids (80)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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