Chemistry

Which of the following compounds reacts with sodium hydroxide to form a salt?

A. CH3CH2COOH B. (CH3)3COH C. CH3CH=CH2 D. C6H12O6 Correct Answer: Option A - CH3CH2COOH

5 years ago

Which of the following compounds is unsaturated?

A. 2-methylbutane B. Chloromethane C. Methylbenzene D. 1,2-dibromoethane Correct Answer: Option C - Methylbenzene

5 years ago

Which of the following is the most reactive towards bromine?

A. Methane B. Benzene C. Ethyne D. Hexane Correct Answer: Option C - Ethyne

5 years ago

How many carbon atoms are present in one molecule of 2-methylpropane?

A. 2 B. 3 C. 4 D. 5 Correct Answer: Option C - 4

5 years ago

When dilute copper (ll) chloride solution is electrolysed, the reaction at the cathode is represented by the equation?

A. Cu → Cu²+ + 2e- B. Cu²+ + 2e- → Cu C. 40H¯ + 4e- → O2 + 2H2O…

5 years ago

Equal volumes of water were added to one mole of each of the following compounds. Which of them produced the largest number of ions

A. Glucose B. Sodium trioxonitrate (V) C. Ethananoic acid D. Silver chloride Correct Answer: Option B - Sodium trioxonitrate (V)

5 years ago

Which of the following is not correct about oxidation number convention? The oxidation number of a/an

A. element in the free state is zero B. monatomic ion is equal to its charge C. alkali meta like…

5 years ago

What will be the effect of increase in pressure on the following system at equilibrium? 2NH3(g) → N2(g) + 3H2(g)

A. Activation energy will decrease B. the forward reaction will be favoured C. the concentration of ammonia will increase D.…

5 years ago

Consider the reaction represented by the following equation: H2(g) + I2(g) → 2HI(g). The number of effective collisions of molecules of the reactants decreases as

A. the temperature is raised B. the pressure increased C. the volume of the system is increased D. a catalysty…

5 years ago

Which of the following lowers the activation energy of a chemical reaction?

A. Freezing mixture B. Reducing agent C. Water D. Catalyst Correct Answer: Option D - Catalyst

5 years ago