MCQ

M3728 · [1]
A molecule of hydrogen cyanide, HCN, has all atoms obeying the octet rule, except hydrogen which attains a duet. How many bonding pairs and lone pairs are present in the molecule?
Checks instantly · free · no account Keys A–D to answer
← All Chemistry questionsNext question →
A molecule of hydroxylamine, NH2OH, obeys the octet rule for nitrogen and oxygen. How many non-bonding electrons are present in one molecule?
MCQTry it
A molecule of hydrogen cyanide, HCN, and a molecule of hydrazine, N2H4, are both drawn obeying the octet rule. What is the total number of non-bonding electron pairs in one HCN...
MCQTry it
Carbon–carbon bond lengths in three hydrocarbons are 120 pm, 134 pm and 154 pm. Which molecule has the strongest carbon–carbon bond?
MCQTry it

IBMarker is not affiliated with the International Baccalaureate Organization (IBO). All questions are original, written in the style of the IB Diploma Programme.

Next question →
free · no account