Question

The difference in electrical conductivity between diamond and graphite arises because:

Asked in RRB Technician Grade III · 2026
Allotropes of Carbon · Chemistry
Exam PYQ4 Options
ChemistryCarbon and Its CompoundsAllotropes of CarbonRRB Technician Grade III2026
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Alkanes are saturated hydrocarbons with only carbon–carbon single bonds.

Correct AnswerCorrect option for this question
Option D — Graphite has delocalized electrons; diamond does not

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Questions Asked from Alkanes (Saturated Hydrocarbons): Structure & Reactions in Previous Exams

See how often Alkanes (Saturated Hydrocarbons): Structure & Reactions has appeared in previous-year questions across major government exams.

High Exam Frequency
11UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2014, 2017, 2019, 2020, 2021, 2023, 2024
9SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
5Railways Questions Asked in These Years:2018, 2021, 2022, 2025, 2026
15State PSC Questions Asked in These Years:2002, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Alkanes (Saturated Hydrocarbons): Structure & Reactions has appeared in 40 previous-year exam questions, most frequently in State PSC, UPSC and SSC.
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