Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>TEST YOUR GRIP>Q 8

MEDIUM

11th CBSE

IMPORTANT

Earn 100

${AlCl}_{3}$ is a (stronger/ weaker) Lewis acid than $B {Cl}_{3}$ .

66.67% studentsanswered this correctly

Important Questions on Some p-Block Elements

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>TEST YOUR GRIP>Q 9

When treated with conc.

H N O_{3}

aluminum is rendered passive due to the formation of a protective layer of its _____ on the surface of the metal. (oxide/nitride)

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>TEST YOUR GRIP>Q 10

Orthoboric acid on strong heating gives _____. (Boron monoxide/ Boron trioxide)

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11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>TEST YOUR GRIP>Q 11

The molecular formula of inorganic benzene is

B_{3} N_{3} H_{6}

and it is obtained by heating the adduct of

B_{2} H_{6}

with _____. (Write the chemical name)

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>TEST YOUR GRIP>Q 12

The two types of bonds present in diborane are 2c-2e and_____.

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>TEST YOUR GRIP>Q 13

An alloy of copper and aluminium which has beautiful golden yellow color is called _____. (Aluminium bronze/Wurtzite)

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>TEST YOUR GRIP>Q 14

The structure of

N {(C H_{3})}_{3}

is pyramidal while that of

N {(S i H_{3})}_{3}

is _____ .

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>TEST YOUR GRIP>Q 15

S n {Cl}_{2}

acts as a_____agent.

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>TEST YOUR GRIP>Q 16

One recently discovered allotrope,

C_{60}

, is known as _____. (Diamond/Buckminsterfullerene)