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Match the following and identify the correct option.

1. (A) CO(g) + H2(g) (i) Mg(HCO3)2 + Ca(HCO3)2
2. (B) Temporary hardness of water (ii) An electron deficient hydride
3. (C) B2H6 (iii) Synthesis gas
4. (D) H2O2 (iv) Non-planar structure

Correct answer: (C) B2H6 (iii) Synthesis gas

Solution

The correct matches are: (A) - (iii) as CO and H2 form synthesis gas, (B) - (i) as temporary hardness is due to bicarbonates, (C) - (ii) as B2H6 is an electron-deficient hydride, and (D) - (iv) as H2O2 has a non-planar structure.

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