June 2018 NY Regents Chemistry Exam 22 Given the formula representing a compound: Which formula represents an isomer of this compound?...

June 2018 NY Regents Chemistry Exam 21 Which formula can represent an alkyne? (1) C2H4 (2) C2H6 (3) C3H4 (4) C3H6 Solution: Table Q on...

January 2018 NY Regents Chemistry Exam 46 A reaction between an alcohol and an organic acid is classified as (1) esterification (2)...

January 2018 NY Regents Chemistry Exam 45 Which compounds are isomers of each other? (1) methanol and methanal (2) propanoic acid and...

January 2018 NY Regents Chemistry Exam 20 Which formula represents an alkyne? (1) CnHn (2) C2nHn (3) CnH2n + 2 (4) CnH2n – 2 Solution:...

August 2018 NY Regents Chemistry Exam 44 What is the chemical name for the compound CH3CH2CH2CH3? (1) butane (2) butene (3) decane (4)...

August 2018 NY Regents Chemistry Exam 23 Which type of reaction produces soap? (1) polymerization (2) combustion (3) fermentation (4)...

August 2018 NY Regents Chemistry Exam 22 A molecule of which compound has a multiple covalent bond? (1) CH4 (2) C2H4 (3) C3H8 (4) C4H10...

August 2018 NY Regents Chemistry Exam 21 Amines, amides, and amino acids are categories of (1) isomers (2) isotopes (3) organic compounds...

44 Given the equation for a reaction: C4H10 + Cl2 → C4H9Cl + HCl Which type of reaction is represented by the equation? (1) addition (2)...