Verified Solution • 2025–26 Session
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QJEEM19Ch8551: JEE Main 2019 Chemistry - Class 11 JEEM19Ch8551 Solution: The correct statements among (a) to (d) are : (a) saline…
The correct statements among (a) to (d) are :
(a) saline hydrides produce H2 gas when reacted with H2O.
(b) reaction of LiAlH4 with BF3 leads to B2H6.
(c) PH3 and CH4 are electron - rich and electron - precise hydrides, respectively.
(d) HF and CH4 are called as molecular
(a) saline hydrides produce H2 gas when reacted with H2O.
(b) reaction of LiAlH4 with BF3 leads to B2H6.
(c) PH3 and CH4 are electron - rich and electron - precise hydrides, respectively.
(d) HF and CH4 are called as molecular
Multiple Choice Options
- A (a), (b), (c) and (d)
- B (a), (c) and (d) only
- C (c) and (d) only
- D (a), (b) and (c) only
Step-by-Step Verified Solution
(a) NaH + H2O NaOH + H2
(b) 3LiAlH4 + 4BF3 2B2H6 + 3LiF + 3AlF3
(c) PH3 is electron rich due to one lone pair while CH4 is electron precise hydride.
(d) HF and CH4 are molecular hydrides.
(b) 3LiAlH4 + 4BF3 2B2H6 + 3LiF + 3AlF3
(c) PH3 is electron rich due to one lone pair while CH4 is electron precise hydride.
(d) HF and CH4 are molecular hydrides.