17th Group

Question 1

What consists of Group 17 elements

Answer 1

F, Cl, Br, I

Question 2

These are highly reactive……… Elements

Answer 2

Non Metallic

Question 3

Florine is present mainly as

Answer 3

CaF2, Na3AlF6, 3Ca3(Po4) 2.CaF2, Kcl. Mgcl2. 6H20

Question 4

Abundance, IE, EN, Oxidizing power, Ionic, SRP

Answer 4

⬇️

Question 5

At no, at mass, cov rad, ionic rad, at size, BP, MP, density

Answer 5

⬆️

Question 6

EGE and why

Answer 6

Cl>F>Br>I
Vacant d orbital

Question 7

What are the colors and states of the elements?

Answer 7

Fluorine: Pale yellow gas.
Chlorine: Yellowish-green gas.
Bromine: Reddish-brown liquid.
Iodine: Deep violet solid.

Question 8

BDE and why

Answer 8

Cl2>Br2>F2>I2

Question 9

Which can react with water

Answer 9

F, Cl and others are sparingly soluble

Question 10

In reactivity towards H2, which prop ⬆️

Answer 10

AS, red nature, BL

Question 11

In reactivity towards H2, which prop⬇️

Answer 11

BDE, TS, Stability

Question 12

BP order and why in hydrides

Answer 12

Cl<Br<I<F
Intermolecular H bond

Question 13

MP order

Answer 13

Cl<Br<F<I

Question 14

Which is more reactivity: XX’ or X2

Answer 14

XX’ is polar

Question 15

Stability of oxide order and reason

Answer 15

I>Cl>Br
I-polarisability
Cl- d orbital are available
Br- none

Question 16

Volatility is inversely proportional to

Answer 16

BP in hydrides