p-Block Elements-I - Result Question 15
####15. In the reaction, $2 X+B _2 H _6 \longrightarrow\left[BH _2(X) _2\right]^{+}\left[BH _4\right]^{-}$ the amine(s) $X$ is/are
(2009)
(a) $NH _3$
(b) $CH _3 NH _2$
(c) $\left(CH _3\right) _2 NH$
(d) $\left(CH _3\right) _3 N$
Assertion and Reason
Read the following questions and answer as per the direction given below:
(a) Statement I is correct; Statement II is correct Statement II is the correct explanation of Statement I
(b) Statement I is correct; Statement II is correct Statement II is not the correct explanation of Statement I
(c) Statement I is correct; Statement II is incorrect
(d) Statement I is incorrect; Statement II is correct
Show Answer
Answer:
Correct Answer: 15. (a)
Solution:
- Diborane $\left(B _2 H _6\right)$ undergoes unsymmetric cleavage with $NH _3$, primary and secondary amine while tertiary amine brings about symmetrical cleavage of $B _2 H _6$ as :
