EASY

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Why ${NF}_{3}$ is stable compared with other compounds of trihalides of nitrogen? Explain.

Important Questions on p-Block Elements

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Acid having

+ 4

oxidation state of phosphorus is

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

The best reducing agent among the following is

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Of the following compounds, the most acidic is:

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Which one of the following group-

15

hydride is the strongest reducing agent ?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Which of following elements does not react with hot concentrated sulphuric acid?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Which hydride amongst the following has the least boiling point ?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

A group

15

element, which is a metal and forms a hydride with strongest reducing power among group

15

hydrides. The element is :

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

The correct order of reducing ability of the following hydrides is

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

In which oxidation state, group 15 elements act as Lewis base?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

The correct order of the bond angles of the given compounds is

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Which of the following property is true for the given sequence

{NH}_{3} > {PH}_{3} > {AsH}_{3} > {SbH}_{3} > {BiH}_{3}

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Which of the following fluoro-compounds is most likely to behave as a Lewis base?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

The correct order for decreasing basic strength of the molecules

{PH}_{3}, {AsH}_{3}, {SbH}_{3}

, and

{BiH}_{3}

is:

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Anomalous behavior of nitrogen is due to

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Which oxide of Nitrogen, among the following, is a colored gas?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

The set of amphoteric oxides among the given oxides are

{Ga}_{2} O_{3}, {As}_{4} O_{10}, {Sb}_{4} O_{10}, B_{2} O_{3}, {Tl}_{2} O

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Give the correct characteristic colours of the products $(P, Q, R, S)$ formed in the following reactions.

A) $NO + {NO}_{2} \overset{< 250 K}{⟶} P$

B) $2 {NO}_{2} ⟷ Q$

C) $Pb {({NO}_{3})}_{2} \overset{673 K}{⟶} R + PbO$

D) ${HNO}_{3} + P_{4} O_{10} ⟶ S + 4 {HPO}_{3}$

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Which of the following statements are correct?

I)

P_{4}

molecule is very reactive because of angular strain.

II)

The basicity of

H_{3} {PO}_{3}

3

III)

In gas phase, all

P - Cl bonds

{PCl}_{5}

have same bond length.

IV)

In solid state,

{PCl}_{5}

exists as an ionic solid, in which anion

{[{PCl}_{6}]}^{-}

has octahedral and cation

{[{PCl}_{4}]}^{+}

has tetrahedral shape.

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Which element among the following does form

Pπ - Pπ

multiple bonds?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Chemical Properties of Group 15 Elements

Write, with balanced chemical equation, what happens when nitrogen gas is passed over calcium carbide heated at

1100 ° C

Why NF3 is stable compared with other compounds of trihalides of nitrogen? Explain.

Important Questions on p-Block Elements

Learn and Prepare for any exam you want !

Why ${NF}_{3}$ is stable compared with other compounds of trihalides of nitrogen? Explain.