alleryWhat is true of molecules that are isomers?
AThey must have different atom counts
BThey must be different elements
CThey must have identical structures
DThey share a molecular formula
Answer & Solution
Correct answer: D. They share a molecular formula
Isomers have the same molecular formula but distinct atom arrangements.
Keep practising Organic Chemistry: introduction and hydrocarbons
Browse all Organic Chemistry: introduction and hydrocarbons questions for ICSE Class 10, or explore more Chemistry topics.
Related questions
How many carbon atoms form benzene's ring?Which pair differs in double-bond position within the same carbon chain?Which carbon skeleton is branched?All four H atoms in CH4 are replaced by Cl. How many HCl form per CH4?One H atom of ethane is replaced by Cl. What organic product forms?Which condition promotes methane's substitution by chlorine?What is the smallest O2 coefficient in 2C2H6 + O2 → 4CO2 + 6H2O?Complete combustion of methane forms which pair?