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JEE Main 20209 JanuaryMorning Shift
Exam
JEE Main
Year
2020
Date
9 January
Shift
Morning Shift
Subject
Chemistry
Chapter
p Block Elements (Group 13 & 14)

JEE Main 2020 · 9 January · Morning Shift · Chemistry · p Block Elements (Group 13 & 14)

‘ X ’ melts at low temperature and is a bad conductor...

‘ XX ’ melts at low temperature and is a bad conductor of electricity in both liquid and solid state. XX is:

Options

  1. Azinc sulphide
  2. BMercury
  3. CSilicon carbide
  4. DCarbon tetrachloride

Correct answer

D. Carbon tetrachloride

Step-by-step solution

Carbon tetrachloride boils at low temperatures and is a non-conductor in both solid and liquid phases. Carbon tetrachloride is made up of individual covalently bonded molecules, CCl4. Therefore, the electrons cannot flow and there are no ions. So it does not conduct in any state.

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