MEDIUM

Earn 100

In oxy acid $H_{4} P_{2} O_{6}$
(i) Total number of $P - P$ $b o n d s = x$
(ii) Total number of $P -O bonds (σ bonds) = y$
(iii) Total number of $P - H b o n d s = z$
(iv) Basicity $= w$

Determine value of $(\frac{y^{2} + z + 5 x}{w})$

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Important Questions on The p-Block Elements

EASY

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

Good reducing nature of

H_{3} P O_{2}

is attributed to the presence of:

EASY

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

The product obtained as a result of a reaction of nitrogen with

C a C_{2}

is:

EASY

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

The most stable Lewis acid-base adduct among the following is

EASY

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

Iodine reacts with concentrated

H N O_{3}

to yield

Y

along with other products. The oxidation state of iodine in

Y

, is:

MEDIUM

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

Strong reducing behaviour of

H_{3} P O_{2}

is due to:

HARD

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

Consider the following compounds:

1 . {(N H_{4})}_{2} C r_{2} O_{7}

2 . N H_{4} N O_{2}

3 . N H_{4} V O_{3}

4 . N H_{4} N O_{3}

Which compound(s) yield(s) nitrogen gas upon heating?

MEDIUM

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

Among the oxides of nitrogen:

N_{2} O_{3}, N_{2} O_{4} a n d N_{2} O_{5};

the molecule

(s)

having nitrogen - nitrogen bond is/are:

MEDIUM

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

The pair in which phosphorous atoms have a formal oxidation state of + 3 is:

MEDIUM

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

The total number of compounds having at least one bridging oxo group among the molecules given below is
$N_{2} O_{5}, P_{4} O_{6}, P_{4} O_{8}, H_{4} P_{2} O_{5}, H_{5} P_{3} O_{10}, H_{2} S_{2} O_{3}, H_{2} S_{2} O_{5}$

EASY

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

When copper is heated with conc.

H N O_{3}

it produces:

HARD

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

Concentrated nitric acid, upon long standing, turns yellow-brown due to the formation of

MEDIUM

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

The pair that contains two

P - H

bonds in each of the oxoacids is:

HARD

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

The number of

P - OH

bonds and the oxidation state of phosphorus atom in pyrophosphoric acid

(H_{4} P_{2} O_{7})

, respectively are:

MEDIUM

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

Consider the following statements concerning

N_{2} H_{4} :

(i) It is an exothermic compound.

(ii) It burns in air with the evolution of heat.

(iii) It has kinetic stability.

(iv) It reduces

F e^{3 +}

F e^{2 +}

in acidic medium.

Which of the following combinations is correct?

MEDIUM

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

The compound that does not produce nitrogen gas by thermal decomposition is:

EASY

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

The product formed in the reaction of

S O C l_{2}

with white phosphorous is

EASY

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

The reaction of zinc with dilute and concentrated nitric acid, respectively, produces:

EASY

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

Among the following compounds, the one which does NOT produce nitrogen gas upon heating is

MEDIUM

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

Which of the following compounds has a

P - P

Bond?

EASY

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

Identify the correct statement from the statements given below.

In oxy acid H4P2O6 (i) Total number of P-P bonds=x (ii) Total number of P-O bonds ( σ bonds )=y (iii) Total number of P-H bonds=z (iv) Basicity =w Determine value of y2+z+5xw

Important Questions on The p-Block Elements

Learn and Prepare for any exam you want !

In oxy acid $H_{4} P_{2} O_{6}$
(i) Total number of $P - P$ $b o n d s = x$
(ii) Total number of $P -O bonds (σ bonds) = y$
(iii) Total number of $P - H b o n d s = z$
(iv) Basicity $= w$

Determine value of $(\frac{y^{2} + z + 5 x}{w})$