$\mathrm{B_2H_6}$ reacts with(A) water to give boric acid and $\mathrm{H_2}$(B) oxygen to give $\mathrm{B_2O_3}$ and $\mathrm{H_2}$(C) water to give boric acid and $\mathrm{H_2O}$(D) oxygen to give $\mathrm{B_2O_3}$ and $\mathrm{H_2O}$Correct statements from the above are
(a)A and B
(b)A and D
(c)B and C
(d)B and D
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
P₄S₃: n = 7 skeletal atoms; N = 4×5 + 3×6 = 38 valence electrons; x = (8×7 − 38)/2 = 9 bonds (6 P–S + 3 P–P).