Author Question: In a chemical reaction A) there are equal numbers of atoms on each side of the reaction arrow. ... (Read 142 times)

RRMR · **on:** Aug 27, 2018

In a chemical reaction

A) there are equal numbers of atoms on each side of the reaction arrow.
B) there are equal numbers of molecules on each side of the reaction arrow.
C) there are always the same number of products as there are reactants.
D) the number of atoms present in a reaction can vary when the conditions change during the reaction.
E) none of the above

Question 2

Cis-trans isomerism occurs when

A) a branched alkane has a halogen added to two adjacent carbon atoms.
B) an alkene is hydrated according to Markovnikov's Rule.
C) the carbons in an alkene double bond each have two different substituent groups.
D) the carbons in the para position of an aromatic have the same substituent groups.
E) hydrogen is added to both of the carbon atoms in a double bond.