When alkynes are hydrogenated completely, they produce compounds with the general molecular formula
C nH n
C nH 2n+2
CnH 2n
CnH2n-2
Correct answer is B
when alkyne(\(C_nH_{2n - 2}\)) are hydrogenated completely, alkanes( \(C_nH_{2n + 2}\)) are produced.
Which of the following compounds can be represented by the molecular formula C2H6O?
Propanel
Ethanol
Methanoic acid
Glucose
Correct answer is B
No explanation has been provided for this answer.
Which of the following processes takes place during the production of margarine from vegetable oils?
Esterification
Hydrolysis
Hydrogenation
Saponification
Correct answer is C
No explanation has been provided for this answer.
When concentrated sodium chloride solution is electrolysed using inert electrodes the products are?
oxygen and hydrogen
hydrogen and oxygen
sodium and oxygen
soduim hydroxide, hydrogen and chlorine
Correct answer is D
When concentrated NaCl solution undergoes electrolysis, sodium hydroxide and hydrogen are produced at the cathode while chlorine is produced at the anode.
smaller mass
lower electrical charge
greater stability in solution
stronger tendency to accept electrons
Correct answer is D
No explanation has been provided for this answer.