MCQ
General formula of alkanes is
- A${C_n}{H_{2n + 1}}$
- ✓${C_n}{H_{2n + 2}}$
- C${C_n}{H_{2n - 1}}$
- D${C_n}{H_{2n}}$
✓
Answer
Correct option: B.
${C_n}{H_{2n + 2}}$
b
${C_n}{H_{2n + 2}}$
${C_n}{H_{2n + 2}}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following has highest ratio of reducing hydrogen $/$ $OH :$
→In general, the properties that decrease and increase down a group in the periodic table respectively are
The hybridization of $P$ exhibited in $P F_{5}$ is $s p^{x} d^{y}$. The value of $y$ is $...$
→The flucculation value of $\mathrm{HCl}$ for arsenic sulphide sol. is $30\; \mathrm{m}\; mole \;\mathrm{L}^{-1} .$ If $\mathrm{H}_{2} \mathrm{SO}_{4}$ is used for the flocculation of arsenic sulphide, the amount, in grams, of $\mathrm{H}_{2} \mathrm{SO}_{4}$ in $250\; \mathrm{ml}$ required for the above purpose is (molecular mass of $\left.\mathrm{H}_{2} \mathrm{SO}_{4}=98 \;\mathrm{g} / \mathrm{mol}\right)$
→Which of the following is not the mineral of sulphur ?
${(C{H_3})_2}C = \mathop {CH}\limits_{\mathop {|\,\,\,\,\,\,\,}\limits_{C{H_3}} } \mathop {\xrightarrow{{{\text{Catalyst}}}}}\limits_{{H_2}} $ Optical isomers
→Select the correct order
→$(a)$ $CO < C{O_2} < CO_3^{2 - }$ $ \Rightarrow $ Bond length
$(b)$ ${O_2} < {O_3} < O_2^{ - 2}$ $ \Rightarrow $ Bond length
$(c)$ ${N_2} < N_2^ + $ $ \Rightarrow $ Bond energy
Among the three compounds shown below, two yield the same product on reaction with warm $HNO_3.$ The exception is
→The number of $\sigma $ and $\pi $ bonds in a molecule of benzene is
→$Y$ is
→