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Test on Chemical Bonding and Molecular Structure-1

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Question 1

Which of the following exists as covalent crystals in the solid state?

Question 2

Which of the following is the wrong statement?

Question 3

The bond dissociation energy of B – F in BF₃ is 646 kJ mol^–1 whereas that of C – F in CF₄ is 515 kJ mol^–1. The correct reason for higher B-F bond dissociation energy as compared to that of C – F is:

Question 4

Among the following the maximum covalent character is shown by the compound

Question 5

Graphite is a soft solid lubricant extremely difficult to melt. The reason for this anomalous behavior is that graphite

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Feb 11JEE & BITSAT