Question

There are four substances W, X, Y, and Z. The substance W is a dark violet solid having diatomic molecules. A solution of W in alcohol is used as a common antiseptic C. The substance X is a white solid which is usually recovered from seawater on a large scale. The substance Y is a white solid which is insoluble in water and used in the form of small balls for the safe storage of woollen clothes. The substance Z is yet another white solid which is used in making commonly used dry cells.
(a) Name (i) W (ii) X (iii) Y and (iv) Z.
(b) Out of W, X, Y, and Z, which substance/substances can undergo sublimation?
(c) Which substance is organic in nature?
(d) What is the name of substance C?
(e) Which substance belongs to halogen family?

Answer 1

Question:-

(a) Name (i) W (ii) X (iii) Y and (iv) Z.

(b) Out of W, X, Y, and Z, which substance/substances can undergo sublimation?

(c) Which substance is organic in nature?

(d) What is the name of substance C?

(e) Which substance belongs to halogen family?

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(a) W is iodine, X is sodium chloride, Y is naphthalene balls, Z is ammonium chloride.

(b) The substance Y and Z can undergo sublimation.

(c) carbon

Organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.

(d)The substance C is iodine tincture.

(e) Halogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts).

hope it helps you...

Answer 2

Answer:

Explanation:

(a)

(i) Iodine

(ii) Sodium chloride (Common salt)

(iii) Naphthalene

(iv) Ammonium chloride

(b) W(iodine), Y(naphthalene) and Z(ammonium chloride)

(c) Y(naphthalene)

(d) Tinctureiodine

(e) W(iodine)