MCQ
Graphite and diamond are ____________.
- Acovalent and molecular crystals
- Bionic and covalent crystals
- ✓both covalent crystals
- Dboth molecular crystals
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In a homogeneous reaction $A \longrightarrow B + C + D$ , the initial pressure was $P_0$ and after time $t$ it was $P$. Expression for rate constant in terms of $P_0, P$ and $t$ will be