MCQ
Indiscriminate use of $\text{DDT}$ is undesirable because?
- AIt is harmful.
- BIt is degradable.
- CIt causes mutation.
- ✓It is accumulated in food chain.
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| Coordination number and type of hybridisation | Distribution of hybrid orbitals In space |
| $(a)$ $4, sp ^{3}$ | $(i)$ trigonal bipyramidal |
| $(b)$ $4, dsp ^{2}$ | $(ii)$ octahedral |
| $(c)$ $5, sp ^{3} d$ | $(iii)$ tetrahedral |
| $(d)$ $6, d ^{2} sp ^{3}$ | $(iv)$ square planar |
Select the correct option