Match the following and identify the correct option.

Options

A. `{:("(A)","(B)","(C)","(D)"),("(iii)","(ii)","(i)","(iv)"):}`
B. `{:("(A)","(B)","(C)","(D)"),("(iii)","(iv)","(ii)","(i)"):}`
C. `{:("(A)","(B)","(C)","(D)"),("(i)","(iii)","(ii)","(iv)"):}`
D. `{:("(A)","(B)","(C)","(D)"),("(iii)","(i)","(ii)","(iv)"):}`

Answer

D

Explanation

(A) Mixture of CO and `H_(2)` gases is known as water gas or synthesis gas
(B) Temporary hardness of water is due to bicarbonates of calcium and magnesium `(Mg(HCO_(3))_(2)+Ca(HCO_(3))_(2))`.
( C) Diborane `(B_(2)H_(6))` is an electron deficient hydride.
(D) `H_(2)O_(2)` is non-planar molecule having open bonds structure.
Thus correct option is d.