Match List - I with List - II. List - I (Hydrides) List - II (Nature) (a) MgH 2 (i) Electron precise (b) GeH 4 (ii) Electron deficient (c) B 2 H 6 (iii) Electron rich (d) HF (iv) Ionic Choose the correct answer from the options given below:

(a)-(v), (b)-(i), (c)-(ii), (d)-(iii)

(a)-(iii),(b)-(i),(c)-(ii),(d)-(iv)

(a) - (i), (b) - (iii), (c) - (iv), (d) - (ii)

(a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)

Match the following: Column I Column II (a) Saline hydride (i) CrH (b) Electron-deficient hydride (ii) CH 4 (c) Electron-precise hydride (iii) BeH 2 (d) Electron-rich hydride (iv) B 2 H 6 (e) Metallic hydride (v) H 2 O

a ) - iii ; b ) - iv ; c ) - ii ; d ) - v ; e ) - i

a ) - iii ; b ) - ii ; c ) - iv ; d ) - v ; e ) - i

a ) - iii ; b ) - v ; c ) - iv ; d ) - ii ; e ) - i

a ) - iv ; b ) - ii ; c ) - iii ; d ) - v ; e ) - i

a ) - iii ; b ) - i ; c ) - ii ; d ) - iv ; e ) - v

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Which of the following statements is/are correct?

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Important Questions on Hydrogen and Its Compounds

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Which of the following combination of elements forms interstitial hydrides?

EASY

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Which of the following hydrides is electron deficient?

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Match the following.

	$List- I$		$List- II$
$(A)$	Electron-deficient hydride	$(I)$	${CH}_{4}$
$(B)$	Electron-precise hydride	$(II)$	$B_{2} H_{6}$
$(C)$	Electron-rich hydride	$(III)$	${CaH}_{2}$
$(D)$	Saline hydride	$(IV)$	${NiH}_{0.6}$
		$(V)$	${PH}_{3}$

EASY

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

An example of non-stoichiometric hydride is

EASY

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Match List - I with List - II.

List - I (Hydrides)		List - II (Nature)
(a)	${MgH}_{2}$	(i)	Electron precise
(b)	${GeH}_{4}$	(ii)	Electron deficient
(c)	$B_{2} H_{6}$	(iii)	Electron rich
(d)	$HF$	(iv)	Ionic

Choose the correct answer from the options given below:

EASY

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

On passing electric current over molten ionic hydrides of

s

-block elements,

EASY

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Lithium aluminium hydride can be prepared from the reaction of

HARD

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Statement I : Sodium hydride can be used as an oxidising agent.

Statement II : The lone pair of electrons on nitrogen in pyridine makes it basic.

Choose the CORRECT answer from the options given below :

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Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Given below are two statements.

Statement I : Stannane is an example of a molecular hydride.

Statement II : Stannane is a planar molecule. In the light of the above statement, choose the most appropriate answer from the options given below

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Match the following:

	Column I		Column II
(a)	Saline hydride	(i)	$CrH$
(b)	Electron-deficient hydride	(ii)	${CH}_{4}$
(c)	Electron-precise hydride	(iii)	${BeH}_{2}$
(d)	Electron-rich hydride	(iv)	$B_{2} H_{6}$
(e)	Metallic hydride	(v)	$H_{2} O$

EASY

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Alkali metal hydrides follow the thermal stability order

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

The correct statements among

(a)

(d)

are:

(a)

Saline hydrides produce

H_{2}

gas when reacted with

H_{2} O .

(b)

Reaction of

L i A l H_{4}

with

B F_{3}

leads to

B_{2} H_{6}

(c)

P H_{3}

and

C H_{4}

are electron - rich and electron - precise hydrides, respectively.

(d)

H F

and

C H_{4}

are called as molecular hydrides.

EASY

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

As electric current is passed through an ionic hydride in molten state

HARD

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

What do you expect the nature of hydrides is, if formed by elements of atomic numbers 15, 19, 23 and 44 with dihydrogen? Compare their behaviour towards water.

HARD

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

Choose the correct statements for hydrides

EASY

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

The nature of hydrides formed by elements of atomic numbers 15, 19, 23 and 44 may be

HARD

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

How do you expect the metallic hydrides to be useful for hydrogen storage? Explain.

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen and Its Compounds>Hydrides

How can saline hydrides remove traces of water from organic compounds?