For NH 2 OH · HCl + NaNO 2 → X → Cu Y + A g ; which of the following is correct ?

A is a colourless, diamagnetic gas which combines with aluminium on heating

A can be produced by action of (Zn + NaOH) on NaNO 2

A is a pink coloured , paramagnetic gas

For NH 2 OH · HCl + NaNO 2 → X → Cu Y + A g ; which of the following is correct ?

A is a colourless, diamagnetic gas which combines with aluminium on heating

Monobasic and weak Bronsted acid

Monobasic and strong Lewis acid

Tribasic and weak Bronsted acid

MEDIUM

Earn 100

For ${NH}_{2} OH \cdot HCl + {NaNO}_{2} \to X \overset{Cu}{\to} Y + A (g)$ ; which of the following is correct ?

50% studentsanswered this correctly

Important Questions on The p-Block Elements-Group 13 (Boron Family)

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

Diborane

(B_{2} H_{6})

reacts independently with

O_{2}

and

H_{2} O

to produce, respectively:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

The alloy used in the construction of aircrafts is:

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

Among the following, the correct statement(s) is(are)

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

A mixture of Boron trichloride and hydrogen is subjected to silent electric discharge to form

x

and

HCl

x

is mixed with

{NH}_{3}

and heated to

200^{0} C

to form

y

. The formula of

y

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

Which components are used in the preparation of scientific balance and light instruments?

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

The reaction of

H_{3} N_{3} B_{3} C l_{3} (A)

with

L i B H_{4}

in tetrahydrofuran gives inorganic benzene

(B)

. Further, the reaction of

(A)

with

(C)

leads to

H_{3} N_{3} B_{3} {(M e)}_{3}

. Compounds

(B)

and

(C)

respectively, are:

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

The correct statement(s) for orthoboric acid is/are

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

Which of the following represents the structure of inorganic benzene?

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

Which alloy is used to make an aircraft?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

{AlF}_{3}

is soluble in

HF

only in presence of

KF

. It is due to the formation of

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

When aqueous solutions of borax is acidified with

HCl

, we get

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

The number of

2

-centre-

2

-electron and

3

-centre-

2

-electron bonds in

B_{2} H_{6}

, respectively, are:

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

The order of acidic strength of boron trihalides

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

The green colour produced in the borax bead test of a chromium(III) salt is due to -

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

In diborane ____ are present.

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

A Lewis acid

' X'

reacts with

{LiAlH}_{4}

in ether medium to give a highly toxic gas. This gas when heated with

{NH}_{3}

gives a compound commonly known as inorganic benzene. The gas is

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

H_{3} {BO}_{3}

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

Identify the reaction which does not liberate hydrogen

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

Boric acid is an acid because its molecule

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements-Group 13 (Boron Family)>Uses of Boron and Aluminium and Their Compounds

The crystalline form of borax has

For NH 2 OH · HCl + NaNO 2 → X → Cu Y + A g ; which of the following is correct ?

Important Questions on The p-Block Elements-Group 13 (Boron Family)

Learn and Prepare for any exam you want !

For ${NH}_{2} OH \cdot HCl + {NaNO}_{2} \to X \overset{Cu}{\to} Y + A (g)$ ; which of the following is correct ?