MCQ
Which is represented by the formula ${C_n}{H_{2n - 2}}$
- AAlkane
- ✓Alkyne
- CAlkene
- DNone of these
$C _{ n } H _{2 n -2}$ is the standard formula for alkynes.
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$Z\xrightarrow{{PC{l_5}}}X\xrightarrow{{Alc.KOH}}Y\xrightarrow{{dil{H_2}S{O_4}}}Z$
(Molar mass of $Ca(OH)_2, Na_2SO_4$ and $CaSO_4$ are $74, 143$ and $136\, g\, mol^{-1}$ respectively; $K_{sp}$ of $Ca(OH)_2$ is $5.5 \times 10^{-6}$)
Match List-l with List-ll:
| List-l (Oxoacids of Phosphorus) | List-ll (Bonds of Phosphorus) |
| (A) Hypophosphorus Acid | (I) Two P-OH One P-H One P = 0 |
| (B) Orthophosphorus Acid | (II) Four P-OH Two P = 0 One P-P |
| (C) Pyrophosphorus Acid | (III) One P-OH Two P-H One P = 0 |
| (D) Hypophosphoric Acid | (IV) Two P-OH Two P-H Two P = 0 |
Choose the correct answer from the options given below: