Determine the empirical formula of a compound with the following composition by
mass: 60.0 % C, 8.0 % H and 32.0 % O. If 100 mg of this compound is neutralized
with exactly 10.0 mL of 0.0500 M NaOH in a reaction with a 1:1 stoichiometry,
what is the molecular formula of this compound?
which set of molecules are microwave inactive
A water sample is not alkaline to phenolphthalein. However, 100 mL of the sample on titration with 0.02 N HCl required 16.0 mL to obtain end point using methyl orange as indicator. What are the types and amount of alkalinity present in the sample?
Which one of the following compounds will NOT be attacked by a nucleophile?
A. CH3CHBrCH3
B. CH3CHCHCH2CH3
C. CH3COCl
D. CH3CH2CH2CHO
E. CH3CH2Cl
When 3-methylpentan-3-ol undergoes an elimination reaction in the presence of
hot concentrated H2SO4, the product which is MOST likely to form is:
A. 3-methylpent-3-ene
B. 2-ethylbut-2-ene
C. 3-methylpentane
D. 3-pentanone
E. 3-methylpent-2-ene
Which one of the following gives the MOST likely products for the reaction
between 1-chloropropane and potassium hydroxide, which occurs at 25 °C?
Products
A. CH3CH2CH3 + Cl- + OH- + K+
B. CH3CHCH3 + Cl- + H2O + K+
C. CH3CH(OH)CH3 + Cl- + H+
D. CH3CH2CH2OH + Cl-+ K+
E. CH3CHCHCl + K+ + OH- + H+
Which one of the following is a nucleophile?
A. Hydronium ion
B. Hydroxide ion
C. Nitronium ion, NO2+
D. Ammonium ion
E. CH3CH2+
Which one of the following substances is more likely to dissolve in water?
A. CHCl3
B. CH3(CH2)9CHO
C. CH3(CH2)8CH2OH
D. HOCH2CH2OH
E. CCl4
.