1
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The incorrect statement in the following is

A

ionic hydrides are crystalline in nature.

B

group 14 elements form electron precise hydrides.

C

covalent hydrides are non-volatile compounds.

D

generally, saline hydrides react violently with water.

2
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In which of the following reactions, hydrogen is oned the products?

I. $\mathrm{NaBH}_4+\mathrm{I}_2 \longrightarrow$

II. $\mathrm{BF}_3+\mathrm{NaH} \xrightarrow{450 \mathrm{~K}}$

III. $\mathrm{BF}_3+\mathrm{LiAlH}_4 \longrightarrow$

IV. $\mathrm{B}_2 \mathrm{H}_6+\mathrm{NH}_3 \xrightarrow{\text { heat }}$

A
II, III
B
I, II
C
I, IV
D
III, VI
3
AP EAPCET 2024 - 22th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the incorrect statement.
A
Saline hydrides on electrolysis liberate dihydrogen gas at anode.
B
$\mathrm{CH}_4$ is electron precise hydride.
C
Chromium hydride conducts heat and electricity.
D
Hydrides of group 15 elements behave as Lewis acids.
4
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The method for preparation of water gas is
A
burning coke in excess of air.
B
oxidation of $C$ in limited supply of oxygen.
C
passing steam over hot coke.
D
passing air over hot coke.

AP EAPCET Subjects

Browse all chapters by subject