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Match List I with List II. List I (Type of Hydride) A. Electron deficient hydride B. Electron rich hydride C. Electron precise hydride D. Saline hydride List II (Example) I. MgH2 II. HF III. B2H6 IV. CH4 Choose the correct answer from the options given below:

1. A-III, B-II, C-IV, D-I
2. A-II, B-III, C-I, D-IV
3. A-II, B-III, C-IV, D-I
4. A-III, B-II, C-I, D-IV

Correct answer: A-III, B-II, C-IV, D-I

Solution

The correct matches reflect the characteristics of each type of hydride: B2H6 is an electron deficient hydride due to its lack of sufficient electrons for bonding; HF is an electron rich hydride as it has a strong electronegative atom; CH4 is an electron precise hydride with a balanced electron count; and MgH2 is a saline hydride, which typically forms ionic bonds.

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