Assertion :In formaldehyde all the four atoms are in same plane Reason: The carbon atom in formaldehyde is sp2 hybridised
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 – The non-fusible impurities present in iron ore are removed by CaCO3 .
Reason: CaCO3 which decomposes into CaO and CO2. The CaO formed reacts with SiO2 to remove silica
Assertion (A) Phenol forms 2, 4, 6-tribromophenol on treatment with Br2 in carbon disulphide at 273K. Reason (R) Bromine polarises in carbon disulphide. (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.