MCQ
The hybridisation in methane, ethene and Ethyne respectively is
- ✓$sp^3$, $sp^2$ and $sp$
- B$sp^3$, $sp$, $sp^2$
- C$sp^2$, $sp^3$ and $sp$
- D$sp^3$, $sp^2$, $sp$
In $C _2 H _4$ Hybridization is $sp_2$.
In $C_2 H _2$, Hybridization is $sp$.
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[Given : $\sqrt{3}=1.73$ ]
| LIST-I (Test) | LIST-II (Observation) | ||
| A. | $Br _2$ water test | I. | Yellow orange or orange red precipitate formed |
| B. | Ceric ammonium nitrate test | II. | Reddish orange colour disappears |
| C. | Ferric chloride test | III. | Red colour appears |
| D. | 2, 4-DNP test | IV. | Blue, Green, Violet or Red colour appear |
They were labelled $ A$ and $B$ for testing.
$A$ and $ B $ were separately taken in test tubes and boiled with $NaOH$ solution.
The end solution in each tube was made acidic with dilute $HN{O_3}$ and then some $AgN{O_3}$ solution was added.
Substance $B$ give a yellow precipitate.
Which one of the following statements is true for this experiment
