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

The last element of the $$p$$-block in 6 th period is represented by the outer most electronic configuration.

A
$$7 s^2, 7 p^6$$
B
$$5 f^{14}, 6 d{ }^{10}, 7 s^2, 7 p^5$$
C
$$4 f^{14}, 5 d^{10}, 6 s^2, 6 p^4$$
D
$$4 f{ }^{14}, 5 d{ }^{10}, 6 s^2, 6 p^6$$
2
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
$$\mathrm{BF}_3$$
3
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
$$\mathrm{Xe}+\mathrm{XeO}_3$$
4
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
$$\mathrm{RbNO}_3$$
KCET Subjects
EXAM MAP