MCQ
The compound obtained by heating ethanol with conc. $H _2 SO _4$ at 443 K temperature is :
- AEther
- BEthyl hydrogen sulphate
- ✓Ethene
- DPropene
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Hybridisation of carbon $a, b$ and $c$ respectively are :
| List $I$ Complex | List $II$ $CFSE(\Delta_0)$ |
| $A$ $\left[ Cu \left( NH _3\right)_6\right]^{2+}$ | $I$ $-0.6$ |
| $B$ $\left[\operatorname{Ti}\left( N _2 O \right)_6\right]^{3+}$ | $II$ $-2.0$ |
| $C$ $\left[ Fe ( CN )_6\right]^{3-}$ | $III$ $-1.2$ |
| $D$ $\left[ NiF _6\right]^{4-}$ | $IV$ $-0.4$ |
Choose the correct answer from the options given below:
$(I)$ $CO_2$ $(II)$ $Br_2$ $(III)$ $SnCl_2$ $(IV)$ $HF$ $(V)$ $NMe_3$