Chemistry
(a) Give a difference between ionization and electrolytic dissociation.
(b) 112 mL of a gaseous fluoride of a non-metal Phosphorus at S.T.P. has a mass of 0.63 g. Calculate the relative molecular mass of the fluoride.
(c) If this compound given in (b) has only one atom of Phosphorus, then determine its formula. (At. Wt. P=31, F=19)
Related Questions
The common name of the ore of iron is:
- Haematite
- Calamine
- Cryolite
- Hydrated aluminum oxide
—C—H group is the functional group of:
- 2-butylene
- Pentanal
- Acetic acid
- Ethyl alcohol
Atom Y has 2 electrons in its N shell, Atom X has 7 electrons in its M shell and atom Z has 6 protons in its neutral state.
Answer the following questions:
(a) Which atom is likely to form a cation ?
(b) What is the formula of the compound formed between X and Z?
(c) Draw the electron dot diagram of the compound of X and Y ?
(d) State 2 properties of the compound formed between X and Z
From the list of substances, choose one substance in each case which matches the descriptions given below:
(ethene, ammonia, acetylene, ammonium chloride, nitric oxide, copper nitrate, water, sodium nitrate)
(a) A compound with two lone pairs.
(b) A nitrate which does not produce a brown gas on heating.
(c) A covalent compound which produces ions when dissolved in water.
(d) A salt which does not contain a metal ion.
(e) An unsaturated hydrocarbon with a triple bond between carbon atoms.