1
KCET 2020
MCQ (Single Correct Answer)
+1
-0

A Lewis acid '$$X$$' reacts with $$\mathrm{LiAlH}_4$$ in ether medium to give a highly toxic gas. This gas when heated with $$\mathrm{NH}_3$$ gives a compound commonly known as inorganic benzene. The gas is

A
$$\mathrm{B}_2 \mathrm{O}_3$$
B
$$\mathrm{B}_2 \mathrm{H}_6$$
C
$$\mathrm{B}_3 \mathrm{N}_3 \mathrm{H}_6$$
D
$$\mathrm{BF}_3$$
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0

0.1 mole of $$\mathrm{XeF}_6$$ is treated with $$1.8 \mathrm{~g}$$ of water. The product obtained is

A
$$\mathrm{XeO}_3$$
B
$$\mathrm{XeO}_2 \mathrm{~F}_2$$
C
$$\mathrm{XeOF}_4$$
D
$$\mathrm{Xe}+\mathrm{XeO}_3$$
3
KCET 2019
MCQ (Single Correct Answer)
+1
-0

The metal nitrate that liberates $$\mathrm{NO}_2$$ on heating

A
$$\mathrm{NaNO}_3$$
B
$$\mathrm{LiNO}_3$$
C
$$\mathrm{KNO}_3$$
D
$$\mathrm{RbNO}_3$$
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
When $\mathrm{PbO}_2$ reacts with concentrated $\mathrm{HNO}_3$, the gas evolved is
A
$\mathrm{NO}_2$
B
$\mathrm{O}_2$
C
$\mathrm{N}_2$
D
$\mathrm{N}_2 \mathrm{O}$
KCET Subjects
EXAM MAP