NaBH4 +I2→ X + Y + Z BF3+NaH xrightarrow450 K X + P BF3+LiAlH4 → X +Q + R X, Y, Z, P, Q and R in the reactions are X Y Z P Q R (a) Na4B4O7 NaI HI HF LiF AlF3 (b) B2H6 NaI H2 NaF LiF AlF3 (c) B2H6 BH3 NaI B3N3H6 Al2F6 AlF3 (d) BH3 B2H6 H2 B3N3H6 LiF AlF3

Question

NaBH4 +I2→ X + Y + Z BF3+NaH xrightarrow450 K X + P BF3+LiAlH4 → X +Q + R X, Y, Z, P, Q and R in the reactions are X Y Z P Q R (a) Na4B4O7 NaI HI HF LiF AlF3 (b) B2H6 NaI H2 NaF LiF AlF3 (c) B2H6 BH3 NaI B3N3H6 Al2F6 AlF3 (d) BH3 B2H6 H2 B3N3H6 LiF AlF3 (A) a (B) b (C) c (D) d

Tardigrade Admin · Accepted Answer

2 NaBH 4+ I 2 arrow underset(X)B 2 H 6 +2 underset text (Y) NaI + underset(Z)H 2 2 BF 3+6 NaHH xrightarrow450 K underset(X)B 2 H 6+6 underset( P ) NaF ) 4 BF 3+3 LiAlH 4 arrow 2 underset(X)B 2 H 6+3 underset( Q) LiF +3 underset(R)AlF 3

	X	Y	Z	P	Q	R
(a)	$N a_{4} B_{4} O_{7}$	$N a I$	$H I$	$H F$	$L i F$	$A l F_{3}$
(b)	$B_{2} H_{6}$	$N a I$	$H_{2}$	$N a F$	$L i F$	$A l F_{3}$
(c)	$B_{2} H_{6}$	$B H_{3}$	$N a I$	$B_{3} N_{3} H_{6}$	$A l_{2} F_{6}$	$A l F_{3}$
(d)	$B H_{3}$	$B_{2} H_{6}$	$H_{2}$	$B_{3} N_{3} H_{6}$	$L i F$	$A l F_{3}$

a

b

c

d

2NaBH4​+I2​→(X)B2​H6​​+2 (Y) NaI​+(Z)H2​​ 2BF3​+6NaHH450K​(X)B2​H6​​+6(P)NaF)​ 4BF3​+3LiAlH4​→2(X)B2​H6​​+3(Q)LiF​+3(R)AlF3​​

$2 N a B H_{4} + I_{2} \to (X) B_{2} H_{6} + 2 (Y) N a I + (Z) H_{2}$
$2 B F_{3} + 6 N a HH 450 K (X) B_{2} H_{6} + 6 (P) N a F)$
$4 B F_{3} + 3 L i A l H_{4} \to 2 (X) B_{2} H_{6} + 3 (Q) L i F + 3 (R) A l F_{3}$