Per NCERT §9.2, the general formula of an alkane (saturated open-chain hydrocarbon) is which?
ACₙHₙ
BCₙH₂ₙ₊₂
CCₙH₂ₙ₋₂
DCₙH₂ₙ
Answer & Solution
Correct answer: B. CₙH₂ₙ₊₂
NCERT §9.2: alkanes follow CₙH₂ₙ₊₂. Alkenes are CₙH₂ₙ; alkynes CₙH₂ₙ₋₂.
Related questions
Per NCERT §9.2.2(1), hydrogenation of an alkene to an alkane uses dihydrogen with which kiPer NCERT §9.2.3 + Table 9.2, isomeric pentanes (n-pentane, 2-methylbutane, neopentane) haPer NCERT §9.2.4, the STAGGERED form of ethane is more stable than ECLIPSED for which reasPer NCERT §9.2.4, the STAGGERED conformation of ethane is more stable than the eclipsed coPer NCERT §9.2.3 Mechanism, the FIRST step of methane chlorination under sunlight is best Per NCERT §9.2.3, the rate of substitution of HYDROGENS in alkane halogenation goes in whiPer NCERT §9.2.3, the rate of HALOGENATION of alkanes (F₂, Cl₂, Br₂, I₂) decreases in whicPer NCERT §9.2.2(3)(ii), in Kolbe electrolytic synthesis of alkanes, the alkane gas is lib