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  1. Verified by Toppr. Correct option is C. Molecular crystal. Iodine crystals are molecular crystals, in which constituent particles are molecules having interparticle forces are Vander Waals forces. Was this answer helpful?

  2. (i) When Iodine crystals are heated, the van der Waals forces are easily overcome and the molecule breaks into the gas phase. They sublime and form a purple colored dense vapor. (ii) When Iron nail (Ferrum) is dipped in Copper sulphate ( C u S O 4 ) there takes reaction between them and copper sulphate changes its color from blue to light green.

  3. Iodine molecules are a class of non- polar molecular solid in which constitute molecules are held together by London or dispersion forces. These solids are soft and non-conductor of electricity. So, the correct answer is option A .

  4. Iodine crystals are molecular crystals, in which constituent particles are molecules having interparticle forces are Vander Waals forces.

  5. Iodine crystals and carbon tetrachloride are non polar molecular solids. Graphite is a covalent solid ...

  6. Verified by Toppr. Sublimation is the process of transition of a substance from the solid to the gaseous state without passing through the liquid state. To separate mixtures that contain a sublimate with volatile component from a non-sublimate impurity, the sublimation process is used. The remaining components of the mixture are salt and sand.

  7. The I 2 molecules in iodine and the C C l 4 molecules in carbon tetrachloride are both held together by weak intermolecular bonds. Similar intermolecular bonds can form between I 2 and C C l 4 molecules in a solution of I 2 in C C l 4 .

  8. Click here👆to get an answer to your question ️ Dissolution of iodine crystals in carbon tetrachloride solvent can be attributed to

  9. D. Iodine. Open in App. Solution. Verified by Toppr. Iodine, sulphur and phosphorus exists as I2, SF6and P4 respectively. Silicion does exist as covalent crystal in the solid state, because in silicon, constituent particles are bonded together by covalent bonds.

  10. State the technique involved in separating the following: (a) Iodine crystals and potassium chloride (b) Iron and chalk powder (c) Potassium chloride from an aqueous solution of potassium chloride (d) Rice powder from soil particles (e) Iron filings from sand (f) Large diamonds from very small diamonds

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