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4. Chemical bonding and molecular structure — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry4. Chemical bonding and molecular structure1 Mark
MCQ
Which set contains only covalently bonded molecules?
  • A
    $BCl_3 , SiCl_4 , PCl_3$
  • B
    $NH_4 Br, N_2H_4 , HBr$
  • C
    $I_2 , H_2S, NaI$
  • D
    $Al,O_3 , As_4$
✓

Answer

$(a)$ The set of compounds $BCl_3, SiCl_4, PCl_3$ are predominatly covalent  compounds. $NH_4Br$ and $NaI$ ionic compounds and $Al$ contains metallic  lattice.

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