Question

Answer these questions plz it's urgent

1) the crystal lattice of electrovalent compound is composed of _______.
(a) atoms. (b) molecules.
(c) oppositely charged ions.
(d) both molecules and ions.

2)Number of bonds in ethylene molecule is _______.
(a) 5 sigma bonds. (b) 4 sigma & 1π bond
(c) 3 sigma bonds. (d) 5 sigma & 1π bond

3) ________ prepared acetic acid in the laboratory first.
(a) Wohler. (b) Kolbe. (c) Berzelius.
(d) Lavoisier.

Answer 1

Hello friend
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1. (c) oppositely charged ions.
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2. (c) 3 sigma bonds.
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3. (a) Wohler
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Hope it will help u

Answer 2

Answer:

Explanation:

Question1. (c)

Question2. (d)

Question3. (b)