Compounds MCQs with Answers

The presence of a double bond in a compound is a sign of _?

• A.Saturation
• B.Unsaturation
• C.Stability
• D.Inertness

Which of the following compounds is not considered an organic compound?

• A.Methane
• B.Carbon dioxide
• C.Ethanol
• D.Glucose

Both ionic and covalent bonds are present in ?

• A.HCl
• B.NaCl
• C.NaOH
• D.CH₄

One molecule of water is composed of ?

• A.Two atoms of Hydrogen, one atom of Oxygen
• B.Two atoms of Oxygen, one atom of Hydrogen
• C.One atom of Hydrogen, one atom of Oxygen
• D.Two atoms of Hydrogen, two atoms of Oxygen

The formula for Potassium Selenide is _?

• A.KSe
• B.KSe₂
• C.K₂Se
• D.K₂Se₃

How do atoms of elements combine to form compounds?

• A.Only when heated to high temperatures
• B.In any random proportion
• C.In certain fixed ratios
• D.By losing all their electrons

The formula mass of Fe(NO₃)₂ is ?

• A.180 amu
• B.242 amu
• C.148 amu
• D.162 amu

Molar Mass of water (H₂O) is?

• A.16 g
• B.18 g
• C.20 g
• D.22 g

Which of the following will show optical isomerism?

• A.2-Hydroxy propanoic acid
• B.Acetic acid
• C.Propanoic acid
• D.Butanoic acid

Which of the following is a polar molecule?

• A.Methane (CH₄)
• B.Methanol (CH₃OH)
• C.Carbon tetrachloride (CCl₄)
• D.Benzene (C₆H₆)