P-Block Elements Group 13 to 18 (KVPY Stream-SA (Class 11) Chemistry): Questions 6 - 9 of 9

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Question number: 6

» P-Block Elements Group 13 to 18 » Group 15 » Nitrogen

Appeared in Year: 2014

MCQ▾

Question

The isoelectronic pair is

Choices

Choice (4) Response

a.

Co,N2

b.

C2,HF

c.

O2,NO

d.

F2,HCL

Question number: 7

» P-Block Elements Group 13 to 18 » Group 17 » Interhalogen Compounds

Appeared in Year: 2011

MCQ▾

Question

When chlorine gas is passed through an aqueous solution of KBr , the solution turns orange brown due to the formation of

Choices

Choice (4) Response

a.

HBr

b.

HCl

c.

KCl

d.

Br2

Question number: 8

» P-Block Elements Group 13 to 18 » General Introduction

Appeared in Year: 2010

MCQ▾

Question

The correct electronic configuration for the ground state of silicon (atomic number 14) is

Choices

Choice (4) Response

a.

1s 2 2s 2 2p 6 3s 1 3p 2

b.

1s 2 2s 2 2p 4 3s 2 3p4

c.

1s 2 2s 2 2p 6 3s 2 3p4

d.

1s 2 2s 2 2p 6 3s 2 3p 2

Question number: 9

» P-Block Elements Group 13 to 18 » Group 17 » Hydrochloric Acid

Appeared in Year: 2010

MCQ▾

Question

The gas produced on heating MnO2 with con. HCl is -

Choices

Choice (4) Response

a.

O2

b.

H2

c.

Cl2

d.

O3

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