NTA Abhyas JEE Main2020Chemistryp Block Elements (Group 13 & 14)Practice
N a B H 4 + I 2 → X + Y + Z BF 3 + LiAlH 4 → 450 K X + P B F 3 + L i A l H 4 → X + Q + R X, Y, Z, P, Q and R in the reactions are
Options
- AX Y Z P Q R N a 4 B 4 O 7 NaI HI HF AlF 3 LiF
- BX Y Z P Q R B 2 H 6 NaI H 2 NaF LiF AlF 3
- CX Y Z P Q R B 2 H 6 B H 3 NaI B 3 N 3 H 6 A l 2 F 6 A l F 3
- DX Y Z P Q R B H 3 B 2 H 6 H 2 B 3 N 3 H 6 LiF A l F 3
Correct answer
B. X Y Z P Q R B 2 H 6 NaI H 2 NaF LiF AlF 3
Step-by-step solution
2 N a B H 4 + I 2 → B 2 H 6 ( X ) + 2 N a I ( Y ) + H 2 ( Z ) 2BF 3 + 6NaH → 450 K B 2 H 6 X + 6NaF P 4 B F 3 + 3 L i A l H 4 → 2 B 2 H 6 ( X ) + 3 L i F ( Q ) + 3 A l F 3 ( R )