iCON Education - Hydrogen and It's Compounds AP-EAPCET Test

Question 1: Palette 1/18

AP-EAPCET 2025 MCQ

Identify the hydride which is not correctly matched with the example given in brackets ?

Saline hydride-(NaH)

Electron rich hydride-( $\mathrm{H}_2 \mathrm{O}$ )

Electron deficient hydride- $\left(\mathrm{B}_2 \mathrm{H}_6\right)$

Electron precise hydride-(HF)

Question 2: Palette 2/18

AP-EAPCET 2025 MCQ

Which of the following reactions give $\mathrm{H}_2$ as one of the products?

(Reactions are not balanced)

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

II. $\mathrm{B}_2 \mathrm{H}_6+\mathrm{N}\left(\mathrm{CH}_3\right)_3 \rightarrow$

III. $\mathrm{Al}+\mathrm{NaOH}+\mathrm{H}_2 \mathrm{O} \longrightarrow$

IV. $\mathrm{BF}_3+\mathrm{NaH} \longrightarrow$

I, II and III only

II and IV only

I and III only

II, III and IV only

Question 3: Palette 3/18

AP-EAPCET 2025 MCQ

Consider the following.

Statement $\mathrm{IH}_2 \mathrm{O}_2$ acts as an oxidising as well as reducing agent in both acidic and basic mediim.

Statement $\mathrm{II} 10 \mathrm{~V} \mathrm{H}_2 \mathrm{O}_2$ sample means it contains $6 \% \left(\frac{w}{v}\right) \mathrm{H}_2 \mathrm{O}_2$.

The correct answer is

Both statement-I and statement-II are correct

Statement-I is correct, but statement-II is not correct

Statement-I is not correct, but statement-II is correct

Both statement-I and statement-II are not correct.

Question 4: Palette 4/18

AP-EAPCET 2025 MCQ

Which of the following property is less for $\mathrm{D}_2 \mathrm{O}$ than $\mathrm{H}_2 \mathrm{O}$ ?

Dielectric constant

Viscosity

Density

Melting point

Question 5: Palette 5/18

AP-EAPCET 2025 MCQ

Which set of elements form electron precise hydrides?

B, Al, Ga

$\mathrm{C}, \mathrm{Si}, \mathrm{Ge}$

N, P, As

B, C, N

Question 6: Palette 6/18

AP-EAPCET 2025 MCQ

4 mL of ' $X$ volume' $\mathrm{H}_2 \mathrm{O}_2$ on heating gives 80 mL of oxygen at STP. The value of $X$ is

Question 7: Palette 7/18

AP-EAPCET 2025 MCQ

Compound ' $X$ ' is prepared commercially by the electrolysis of brine solution.

Which of the following is not the use of ' $X$ '?

Manufacture of paper

Petroleum refining

Antichlor

Mercirising cotton fabrics

Question 8: Palette 8/18

AP-EAPCET 2025 MCQ

The incorrect statement in the following is

ionic hydrides are crystalline in nature.

group 14 elements form electron precise hydrides.

covalent hydrides are non-volatile compounds.

generally, saline hydrides react violently with water.

Question 9: Palette 9/18

AP-EAPCET 2024 MCQ

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

II, III

I, II

I, IV

III, VI

Question 10: Palette 10/18

AP-EAPCET 2024 MCQ

Identify the incorrect statement.

Saline hydrides on electrolysis liberate dihydrogen gas at anode.

$\mathrm{CH}_4$ is electron precise hydride.

Chromium hydride conducts heat and electricity.

Hydrides of group 15 elements behave as Lewis acids.

Question 11: Palette 11/18

AP-EAPCET 2024 MCQ

The method for preparation of water gas is

burning coke in excess of air.

oxidation of $C$ in limited supply of oxygen.

passing steam over hot coke.

passing air over hot coke.

Question 12: Palette 12/18

AP-EAPCET 2024 MCQ

The major products $X$ and $Y$ respectively from the following reactions are AP EAPCET 2024 - 21th May Morning Shift Chemistry - Hydrogen and It's Compounds Question 11 English

AP EAPCET 2024 - 21th May Morning Shift Chemistry - Hydrogen and It's Compounds Question 11 English

AP EAPCET 2024 - 21th May Morning Shift Chemistry - Hydrogen and It's Compounds Question 11 English Option 1

AP EAPCET 2024 - 21th May Morning Shift Chemistry - Hydrogen and It's Compounds Question 11 English Option 2

AP EAPCET 2024 - 21th May Morning Shift Chemistry - Hydrogen and It's Compounds Question 11 English Option 3

AP EAPCET 2024 - 21th May Morning Shift Chemistry - Hydrogen and It's Compounds Question 11 English Option 4

Question 13: Palette 13/18

AP-EAPCET 2024 MCQ

The hydrides of which group elements are examples of electron precise hydrides?

Group 14 elements

Group 13 elements

Group 15 elements

Group 16 elements

Question 14: Palette 14/18

AP-EAPCET 2024 MCQ

The correct statements among the following are

(i) saline hydrides produce $\mathrm{H}_2$ gas when reacted with water

(ii) presently $\sim 77 \%$ of the industrial dihydrogen is produced from coal

(iii) commercially marketed $\mathrm{H}_2 \mathrm{O}_2$ contains $3 \% \mathrm{H}_2 \mathrm{O}_2$

(i), (ii), (iii)

(i), (iii), only

(ii), (iii) only

(i), (ii) only

Question 15: Palette 15/18

AP-EAPCET 2024 MCQ

Two statements are given below :

I. In dry cleaning, the solvent $\mathrm{Cl}_2 \mathrm{C}=\mathrm{CCl}_2$ was earlier used and now it is replaced by liquefied $\mathrm{CO}_2$

II. In bleaching of paper, $\mathrm{H}_2 \mathrm{O}_2$ was used earlier and now it is replaced by chlorine gas. Correct anwer is

Statement I, Statement II both are correct.

Statement I, Statement II both are incorrect.

Statement I is correct but Statement II is incorrect.

Statement I is incorrect but Statement II is correct.

Question 16: Palette 16/18

AP-EAPCET 2024 MCQ

In which of the following reaction, dilhydrogen is not evolved?

Oxdation of sodium borchydride with iodine.

Hydrolysis of boranes.

Heaing the adduct formed by reaction of ammoria wth dborane.

Burning of diborane in oxygen.

Question 17: Palette 17/18

AP-EAPCET 2022 MCQ

Calcium carbide $+\mathrm{D}_2 \mathrm{O} \longrightarrow \underline{X}+\mathrm{Ca}(\mathrm{OD})_2$. The hybridisation of carbon atom(s) in $X$

$s p^2$

$s p$

$s p^3$

$d s p^2$

Question 18: Palette 18/18

AP-EAPCET 2022 MCQ

What are $X$ and $Y$ respectively in the following reactions?

$\begin{aligned} & \underline{X}+D_2 \mathrm{O} \longrightarrow C_2 D_2+P \\ & \underline{Y}+D_2 \mathrm{O} \longrightarrow C D_4+Q \end{aligned}$

$\mathrm{AlCl}_3, \mathrm{CaCl}_2$

$\mathrm{Be}_2 \mathrm{C}, \mathrm{Al}_4 \mathrm{C}_3$

$\mathrm{Al}_4 \mathrm{C}_3, \mathrm{CaC}_2$

$\mathrm{CaC}_2, \mathrm{Al}_4 \mathrm{C}_3$