Assertion :(A) the center of mass of body may lie where, there is no mass. Reason: (R) The center of mass has nothing to do with the mass.
Assertion: The mass of Chlorine is 35.5 u
Reason: For elements having isotopes, the average of mass of its isotopes is considered as the atomic mass of that element.
Assertion: All the points (1, 0), (-1, 0), (2, 0) and (5, 0) lie on the x – axis. Reason: Equation of the x-axis is y = 0 Choose the correct option.
ASSERTION: n-Pentane and n-Hexane belong to a homologous series.
REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - CH2 - group.
Assertion (A) Ethanol is a weaker acid than phenol. Reason (R) Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH. (a) Assertion and reason both are correct and reason is correct explanation of assertion. (b) Assertion and reason both are wrong statements. (c) Assertion is correct statement but reason is wrong statement. (d) Assertion is wrong statement but reason is correct statement. (e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.