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Match List-I (Hydride) with List-II (Type of Hydride)
Column I
- A. NaH
- B. PH3
- C. GeH4
- D. LaH2.87
Column II
- I. Electron precise
- II. Saline
- III. Metallic
- IV. Electron rich
Correct answer: A → II, B → IV, C → I, D → III
Detailed Solution
NaH is a saline (ionic) hydride (A-II); $PH_3$ is an electron-rich hydride (B-IV); $GeH_4$ is an electron-precise hydride (C-I); $LaH_{2.87}$, being non-stoichiometric, is classified as a metallic/interstitial hydride (D-III).