MCQ
The pesticide $DDT$ slowly changes to
- A$CCl_3-CHO$ and chlorobenzene
- B$p, p'-$ Dichlorodiphenylethene
- C$p, p'-$ Dichlorodiphenyldichloroethane
- ✓$p, p'-$ Dichlorodiphenyldichloroethene
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${\left[ Ni ( CN )_4\right]^{2-},\left[ Ni ( CO )_4\right],\left[ NiCl _4\right]^{2-}}$
${\left[ Fe ( CN )_6\right]^{4-},\left[ Cu \left( NH _3\right)_4\right]^{2+}}$
${\left[ Fe ( CN )_6\right]^{3-} \text { and }\left[ Fe \left( H_2O\right)_6\right]^{2+}}$
CH3CH2COCl
$CH_3-CH=O + C_6H_5-CH=O$ $\xrightarrow[\Delta ]{{\mathop O\limits^\Theta H(aq)}}$ $\mathop X\limits_{({C_4}{H_6}O)} $ $+$ $\mathop Y\limits_{({C_9}{H_8}O)} $